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5 "Dong Kwan Kim"
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Lung and Thoracic cancer
Recurrence Dynamics of Pathological N2 Non–Small Cell Lung Cancer Based on IASLC Residual Tumor Descriptor
In Ha Kim, Geun Dong Lee, Sehoon Choi, Hyeong Ryul Kim, Yong-Hee Kim, Dong Kwan Kim, Seung-Il Park, Jae Kwang Yun
Cancer Res Treat. 2025;57(1):105-115.   Published online July 23, 2024
DOI: https://doi.org/10.4143/crt.2024.150
AbstractAbstract PDFSupplementary MaterialPubReaderePub
Purpose
This study investigated the recurrence patterns and timing in patients with pathologic N2 (pN2) non-small cell lung cancer (NSCLC) according to the residual tumor (R) descriptor proposed by the International Association for the Study of Lung Cancer (IASLC).
Materials and Methods
From 2004 to 2021, patients with pN2 NSCLC who underwent anatomical resection were analyzed according to the IASLC R criteria using medical records from a single center. Survival analysis was performed using Cox proportional hazards models. Recurrence patterns between complete (R0) and uncertain resections (R[un]) were compared.
Results
In total, 1,373 patients were enrolled in this study: 576 (42.0%) in R0, 286 (20.8%) in R(un), and 511 (37.2%) in R1/R2 according to the IASLC R criteria. The most common reason for R(un) classification was positivity for the highest lymph node (88.8%). In multivariable analysis, the hazard ratios for recurrence in R(un) and R1/R2 compared to R0 were 1.18 (95% confidence interval [CI], 0.96–1.46) and 1.58 (1.31–1.90), respectively. The hazard rate curves displayed similar patterns among groups, peaking at approximately 12 months after surgery. There was a significant difference in distant recurrence patterns between R0 and R(un). Further analysis after stratification with the IASLC N2 descriptor showed significant differences in distant recurrence patterns between R0 and R(un) in patients pN2a1 and pN2a2 disease, but not in those with pN2b disease.
Conclusion
The IASLC R criteria has prognostic relevance in patients with pN2 NSCLC. R(un) is a highly heterogeneous group, and the involvement of the highest mediastinal lymph node can affect distant recurrence patterns.
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Differences in the Prognostic Impact between Single-Zone and Multi-Zone N2 Node Metastasis in Patients with Station-Based Multiple N2 Non–Small Cell Lung Cancer
Shia Kim, Geun Dong Lee, SeHoon Choi, Hyeong Ryul Kim, Yong-Hee Kim, Dong Kwan Kim, Seung-Il Park, Jae Kwang Yun
Cancer Res Treat. 2025;57(1):95-104.   Published online July 22, 2024
DOI: https://doi.org/10.4143/crt.2024.120
AbstractAbstract PDFSupplementary MaterialPubReaderePub
Purpose
The International Association for the Study of Lung Cancer suggests further subdivision of pathologic N (pN) category in non–small-cell lung cancer (NSCLC) by incorporating the location and number of involved lymph node (LN) stations. We reclassified patients with the station-based N2b disease into single-zone and multi-zone N2b groups and compared survival outcomes between the groups.
Materials and Methods
This retrospective study included patients with pN2 NSCLC who underwent lobectomy from 2006 to 2019. The N2 disease was subdivided into four categories: single-station N2 without N1 (N2a1), single-station N2 with N1 (N2a2), multiple-station N2 with single zone involvement (single-zone N2b), and multiple-station N2 with multiple zone involvement (multi-zone N2b). LN zones included in the subdivision of N2 disease were upper mediastinal, lower mediastinal, aortopulmonary, and subcarinal.
Results
Among 996 eligible patients, 211 (21.2%), 394 (39.6%), and 391 (39.3%) were confirmed to have pN2a1, pN2a2, and pN2b disease, respectively. In multivariable analysis after adjustment for sex, age, pT category, and adjuvant chemotherapy, overall survival was significantly better with single-zone N2b disease (n=125, 12.6%) than with multi-zone N2b disease (n=266, 26.7%) (hazard ratio [HR], 0.67; 95% confidence interval [CI], 0.49 to 0.90; p=0.009) and was comparable to that of N2a2 disease (HR, 1.12; 95% CI, 0.83 to 1.49; p=0.46).
Conclusion
Prognosis of single-zone LN metastasis was better than that of multiple-zone LN metastasis in patients with N2b NSCLC. Along with the station-based N descriptors, zone-based descriptors might ensure optimal staging, enabling the most appropriate decision-making on adjuvant therapy for patients with pN2 NSCLC.
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The Role of Adjuvant Therapy Following Surgical Resection of Small Cell Lung Cancer: A Multi-Center Study
Seong Yong Park, Samina Park, Geun Dong Lee, Hong Kwan Kim, Sehoon Choi, Hyeong Ryul Kim, Yong-Hee Kim, Dong Kwan Kim, Seung-Il Park, Tae Hee Hong, Yong Soo Choi, Jhingook Kim, Jong Ho Cho, Young Mog Shim, Jae Ill Zo, Kwon Joong Na, In Kyu Park, Chang Hyun Kang, Young-Tae Kim, Byung Jo Park, Chang Young Lee, Jin Gu Lee, Dae Joon Kim, Hyo Chae Paik
Cancer Res Treat. 2023;55(1):94-102.   Published online June 9, 2022
DOI: https://doi.org/10.4143/crt.2022.290
AbstractAbstract PDFSupplementary MaterialPubReaderePub
Purpose
This multi-center, retrospective study was conducted to evaluate the long-term survival in patients who underwent surgical resection for small cell lung cancer (SCLC) and to identify the benefit of adjuvant therapy following surgery.
Materials and Methods
The data of 213 patients who underwent surgical resection for SCLC at four institutions were retrospectively reviewed. Patients who received neoadjuvant therapy or an incomplete resection were excluded.
Results
The mean patient age was 65.29±8.93 years, and 184 patients (86.4%) were male. Lobectomies and pneumonectomies were performed in 173 patients (81.2%), and 198 (93%) underwent systematic mediastinal lymph node dissections. Overall, 170 patients (79.8%) underwent adjuvant chemotherapy, 42 (19.7%) underwent radiotherapy to the mediastinum, and 23 (10.8%) underwent prophylactic cranial irradiation. The median follow-up period was 31.08 months (interquartile range, 13.79 to 64.52 months). The 5-year overall survival (OS) and disease-free survival were 53.4% and 46.9%, respectively. The 5-year OS significantly improved after adjuvant chemotherapy in all patients (57.4% vs. 40.3%, p=0.007), and the survival benefit of adjuvant chemotherapy was significant in patients with negative node pathology (70.8% vs. 39.7%, p=0.004). Adjuvant radiotherapy did not affect the 5-year OS (54.6% vs. 48.5%, p=0.458). Age (hazard ratio [HR], 1.032; p=0.017), node metastasis (HR, 2.190; p < 0.001), and adjuvant chemotherapy (HR, 0.558; p=0.019) were associated with OS.
Conclusion
Adjuvant chemotherapy after surgical resection in patients with SCLC improved the OS, though adjuvant radiotherapy to the mediastinum did not improve the survival or decrease the locoregional recurrence rate.

Citations

Citations to this article as recorded by  
  • Application of postoperative adjuvant radiotherapy in limited-stage small cell lung cancer: A systematic review and meta-analysis
    Chuanhao Zhang, Genghao Zhao, Huajian Wu, Jianing Jiang, Wenyue Duan, Zhijun Fan, Zhe Wang, Ruoyu Wang
    Radiotherapy and Oncology.2024; 193: 110123.     CrossRef
  • A 15-Gene-Based Risk Signature for Predicting Overall Survival in SCLC Patients Who Have Undergone Surgical Resection
    Sevcan Atay
    Cancers.2023; 15(21): 5219.     CrossRef
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  • 142 Download
  • 2 Web of Science
  • 2 Crossref
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Effect of Adjuvant Chemotherapy after Complete Resection for Pathologic Stage IB Lung Adenocarcinoma in High-Risk Patients as Defined by a New Recurrence Risk Scoring Model
Hyo Joon Jang, Sukki Cho, Kwhanmien Kim, Sanghoon Jheon, Hee Chul Yang, Dong Kwan Kim
Cancer Res Treat. 2017;49(4):898-905.   Published online January 18, 2017
DOI: https://doi.org/10.4143/crt.2016.312
AbstractAbstract PDFPubReaderePub
Purpose
We conducted a retrospective analysis to determine if adjuvant chemotherapy prolongs overall survival in patients with pathologic stage IB lung adenocarcinoma who had undergone complete resection and were defined as high-risk by a newly developed recurrence risk scoring model.
Materials and Methods
Patientswho underwent curative resection for stage IB lung adenocarcinomawere analyzed with a newly developed recurrence risk scoring model and divided into a low-risk group and a high-risk group. The patients in the high-risk group were retrospectively divided into two groups based on whether they underwent adjuvant chemotherapy or observation. Recurrence-free survival and overall survival were compared between these two groups.
Results
A total of 328 patients who underwent curative resection between 2000 and 2009 were included in this study, of whom 110 (34%) received adjuvant chemotherapy and 218 (67%) underwent observation without additional treatment. According to our risk model, 167 patients (51%) were high-risk and 161 (49%) were low-risk. The 5-year recurrence-free survival rates and overall survival were 84.4% and 91.5% in low-risk patients and 53.9% and 74.7% in high-risk patients (p < 0.001). In high-risk patients, the 5-year overall survival rates were 77% among patients who underwent observation and 87% among those who underwent adjuvant chemotherapy (p=0.019).
Conclusion
Adjuvant chemotherapy prolonged overall survival among high-risk patients who had undergone complete resection for stage IB lung adenocarcinoma.

Citations

Citations to this article as recorded by  
  • Influence of adjuvant chemotherapy on survival for patients with completely resected high-risk stage IB NSCLC
    Zi-Qing Shen, Kun-Peng Feng, Zi-Yao Fang, Tian Xia, Shu Pan, Cheng Ding, Chun Xu, Sheng Ju, Jun Chen, Chang Li, Jun Zhao
    Journal of Cardiothoracic Surgery.2024;[Epub]     CrossRef
  • Surgically Treated pT2aN0M0 (Stage IB) Non-Small Cell Lung Cancer: A 20-Year Single-Center Retrospective Study
    Monica Casiraghi, Francesco Petrella, Claudia Bardoni, Shehab Mohamed, Giulia Sedda, Juliana Guarize, Antonio Passaro, Filippo De Marinis, Patrick Maisonneuve, Lorenzo Spaggiari
    Journal of Clinical Medicine.2023; 12(5): 2081.     CrossRef
  • A Novel Nomogram for Identifying Candidates for Adjuvant Chemotherapy in Patients With Stage IB Non-small Cell Lung Cancer
    Xue Song, Yangyang Xie, Haoran Deng, Fei Yu, Shiqiang Wang, Yafang Lou
    Cancer Control.2023;[Epub]     CrossRef
  • Adjuvant chemotherapy may improve long-term outcomes in stage IB non-small cell lung cancer patients with previous malignancies: A propensity score-matched analysis
    Ke Zhou, Yaqin Zhao, Linchuan Liang, Jie Cao, Huahang Lin, Zhiyu Peng, Jiandong Mei
    Frontiers in Oncology.2022;[Epub]     CrossRef
  • A Population-Based Study on the Prognostic factors and Efficacy of Adjuvant Chemotherapy in the Postoperative Stage for Patients with Stage IIA Non-Small Cell Lung Cancer
    Wei Wang, Fei Teng, Shi Bu, Wei Xu, Qing-Chun Cai, Yue-Quan Jiang, Zhi-Qiang Wang
    Risk Management and Healthcare Policy.2022; Volume 15: 1581.     CrossRef
  • Personalized Prescription of Chemotherapy Based on Assessment of mRNA Expression of BRCA1, RRM1, ERCC1, TOP1, TOP2α, TUBβ3, TYMS, and GSTP1 Genes in Tumors Compared to Standard Chemotherapy in the Treatment of Non-Small-Cell Lung Cancer
    Matvey M. Tsyganov, Evgeny O. Rodionov, Marina K. Ibragimova, Sergey V. Miller, Olga V. Cheremisina, Irina G. Frolova, Sergey A. Tuzikov, Nikolai V. Litviakov
    Journal of Personalized Medicine.2022; 12(10): 1647.     CrossRef
  • Survival Nomogram for Stage IB Non-Small-Cell Lung Cancer Patients, Based on the SEER Database and an External Validation Cohort
    Zhichao Zuo, Guochao Zhang, Peng Song, Jing Yang, Shuiting Li, Zhi Zhong, Qinghao Tan, Liming Wang, Qi Xue, Shugeng Gao, Nan Sun, Jie He
    Annals of Surgical Oncology.2021; 28(7): 3941.     CrossRef
  • Drug Regimen for Patients after a Pneumonectomy
    Noheul Kim, Ronny Priefer
    Journal of Respiration.2021; 1(2): 114.     CrossRef
  • Prognostic stratification of pathological node-negative lung adenocarcinoma by carcinoembryonic antigen level
    Khashchuluun Batmunkh, Sukki Cho, Sungwon Yum, Kwhanmien Kim, Sanghoon Jheon
    Interactive CardioVascular and Thoracic Surgery.2020; 30(6): 820.     CrossRef
  • Effects of adjuvant chemotherapy on survival of patients with stage IB non-small cell lung cancer with visceral pleural invasion
    Jun Xie, Xian Zhang, Song Hu, Wan-Da Peng, Bin Xu, Yan Li, Su-Juan Zhang, Qing Li, Chong Li
    Journal of Cancer Research and Clinical Oncology.2020; 146(9): 2231.     CrossRef
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The Prognostic Significance of the p53 Overexpession on Complete Response and Survival in Preoperative Chemoradiotherapy Treated Squamous Cell Esophageal Carcinoma
Sung Bae Kim, Sang Hee Kim, Hwoon Yong Jung, Hun Kyung Lee, Gyeong Hoon Kang, Jong Hoon Kim, Ho Young Song, Seung Il Park, Dong Kwan Kim, Hae Ryun Kim, Won Sun Hong, Je Hwan Lee, Sang We Kim, Cheol Won Sun, Kyoo Hyung Lee, Jung Shin Lee, Woo Kun Kim, Young Il Min
J Korean Cancer Assoc. 1998;30(2):278-287.
AbstractAbstract PDF
PURPOSE
To determine the frequency of p53 overexpression and to analyse the relationship between p53 overexpression and complete response rate, survival in locoregionl squamous cell esophageal cancers treated with preoperative chemoradiation multimodality approaches.
MATERIALS AND METHODS
Using a microwave oven heating method, we have detected p53 overexpression by immunohistochemically with a monoclonal antibody(DO-7) in formalin- fixed paraffin-embedded samples of 42 patients with locoregional squamous cell esophageal cancer, who treated with concurrent chemotherapy and radiatian followed by surgery.
RESULTS
In 27 of 42 tumors(64.2%), nuclear immunoreactivity for the p53 protein was detected. Complete response rate, evaluated in surgical specimen 3-4 weeks after chemoradiation seemed to be high in p53 positive group compared to p53 negative group, however, there was no statistically significant difference in acquiring better complete response rate, overall survival and progression free survival between p53 positive and p53 negative group(p=0.0546, p=0.0599, p= 0.6832). Complete response group(n=17) survived longer than non-complete response group(n=25)(p=0.0010).
CONCLUSION
The results indicate that p53 is not a statistically significant prognostic factor in obtaining better complete response rate, overall survival and progression free survival of the patients with esophageal carcinoma treated with preoperative chemoradiotherapy. Additional studies are warranted for further evaluation.
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