Cancer Research and Treatment

Original Articles

Breast cancer

Comparative Study of Mastectomy Using Conventional Techniques, Multiport and Single-Port Robotic Surgical Systems: Jeea Lee, Jieon Go, Suk Jun Lee, Yonghan Kwon, Nam Hee Kim, Jee Ye Kim, Hyung Seok Park; Cancer Res Treat. 2026;58(2):492-500. Published online May 7, 2025; DOI: https://doi.org/10.4143/crt.2025.115

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Purpose
Oncologic and surgical outcomes of robot-assisted nipple-sparing mastectomy (RNSM) compared to conventional nipple-sparing mastectomy (CNSM) is under investigation. This study compared the clinical outcomes of recurrence-free survival and postoperative complication after RNSM and CNSM.
Materials and Methods
We retrospectively reviewed data of 401 patients who underwent da Vinci Si/Xi/SP-assisted RNSM or CNSM with immediate reconstruction between November 2016 and November 2020 at a single institute. Oncological outcomes were collected until March 2022. Primary endpoints were long-term outcomes, such as local recurrence, distant metastasis, disease-free survival, overall survival, and postoperative complications, while secondary endpoints were pathology results, and oncological outcomes.
Results
Patients underwent RNSM (n=162) or CNSM (n=239). Of RNSM cases, 9 (5.6%) were performed using the da Vinci Si System, 96 (59.3%) using the da Vinci Xi System, and 57 (35.2%) using the da Vinci SP System. No significant difference in recurrence-free survival was found between the RNSM and CNSM group, and both groups had a median follow-up of 37 months. The recurrence rate in RNSM patients after a median follow-up of 24.5 months was 3.8%, compared with 5.9% in CNSM patients after a median follow-up of 42 months. No difference in recurrence was seen among RNSM patients with respect to surgical systems (multiport vs. SP, p =0.136). In addition, grade III postoperative complication rate was lower in patients with RNSM than in those with CNSM. Transfusion was only applied in 6.2% of patients.
Conclusion
Robot-assisted surgical systems can be safely used to perform nipple-sparing mastectomy in patients with early breast cancer.

Citations

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Feasibility and outcomes of single-incision robotic nipple-sparing mastectomy: a systematic review and meta-analysis
Hasan Asfour, Hussein Lubbad, Ewa Anna Sobczak, Walid Sasi
Journal of Robotic Surgery.2026;[Epub] CrossRef
Single-port robotic nipple-sparing mastectomy: a systematic review and single-arm meta-analysis of safety and process outcomes
Ronghao Ouyang, Ximeng Jia, Yutong Liang, Benjie Li, Mengzhe Qing, Jintian Hu
Journal of Robotic Surgery.2025;[Epub] CrossRef

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Lobular Carcinoma In Situ during Preoperative Biopsy and the Rate of Upgrade: Jeea Lee, Ga Yoon Ku, Haemin Lee, Hyung Seok Park, Ja Seung Ku, Jee Ye Kim, Seho Park, Byeong-Woo Park; Cancer Res Treat. 2022;54(4):1074-1080. Published online December 21, 2021; DOI: https://doi.org/10.4143/crt.2021.864

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Purpose
There is a potential risk that lobular carcinoma in situ (LCIS) on preoperative biopsy might be diagnosed as ductal carcinoma in situ (DCIS) or invasive carcinoma in the final pathology. This study aimed to evaluate the rate of upgrade of LCIS on preoperative biopsy to DCIS or invasive carcinoma.
Materials and Methods
Data of 55 patients with LCIS on preoperative biopsy were analyzed. All patients underwent surgery between 1991 and 2016 at Severance Hospital in Seoul, Korea. We analyzed the rate of upgrade of preoperative LCIS to DCIS or invasive cancer in the final pathology. The clinicopathologic features related to the upgrade were evaluated.
Results
The rate of upgrade of LCIS to DCIS or invasive carcinoma was 16.4% (9/55). In multivariate analysis, microcalcification and progesterone receptor expression were significantly associated with the upgrade of LCIS (p=0.023 and p=0.044, respectively).
Conclusion
The current study showed a relatively high rate of upgrade of LCIS on preoperative biopsy to DCIS or invasive cancer. The presence of microcalcification and progesterone receptor expression may be potential predictors of upgradation of LCIS on preoperative biopsy. Surgical excision of the LCIS during preoperative biopsy could be a management option to identify the concealed malignancy.

Citations

Citations to this article as recorded by

Pleomorphic and florid lobular carcinoma in situ of the Breast: A systematic review of current evidence and knowledge gaps
Massimo Ferrucci, Daniele Passeri, Francesco Milardi, Giacomo Montagna, Anna C. Beck, Riccardo Audisio, Fredrick Wärnberg, Gianluca Franceschini, Lucio Fortunato, Matteo Ghilli, Valentina Guarneri, Alberto Marchet, Rocco Cappellesso, Angelo Paolo Dei Tos,
The Breast.2026; 86: 104711. CrossRef
Impact of Axillary Burden on Survival: A Comparative Study of Invasive Lobular Carcinoma and Invasive Ductal Carcinoma in Early-Stage Breast Cancer
Kwang Hyun Yoon, Jee Hyun Ahn, Jee Ye Kim, Hyung Seok Park, Seung Il Kim, Seho Park
Cancers.2025; 17(6): 1002. CrossRef
Upgrade Rate and Long-term Outcomes of Lobular Neoplasia
Sara Ardila, Annabel Chen, Taylor Maramara, Danielle Henry, April Phantana-angkool
Current Breast Cancer Reports.2024; 16(1): 11. CrossRef
Immediate and delayed risk of breast cancer associated with classic lobular carcinoma in situ and its variants
Hannah L. Chung, Lavinia P. Middleton, Jia Sun, Gary J. Whitman
Breast Cancer Research and Treatment.2024; 205(3): 545. CrossRef
De-escalation of Surgical Intervention and Contemporary Management Recommendations for Lobular Neoplasia, Atypical Ductal Hyperplasia, and Ductal Carcinoma In Situ
Amanda L. Amin, Megan E. Miller
Current Breast Cancer Reports.2023; 15(3): 298. CrossRef
In Search of Calcifications : Histologic Analysis and Diagnostic Yield of Stereotactic Core Needle Breast Biopsies
Fazilet Yilmaz, Sean M Hacking, Linda Donegan, Lijuan Wang, Evgeny Yakirevich, Yihong Wang
American Journal of Clinical Pathology.2023; 160(2): 200. CrossRef

7,904 View
149 Download
6 Web of Science
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