Colorectal cancer
- Efficacy of preoperative chemoradiotherapy in patients with cT2N0 distal rectal cancer
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Min Young Park, Chang Sik Yu, Tae Won Kim, Jong Hoon Kim, Jin-hong Park, Jong Lyul Lee, Yong Sik Yoon, In Ja Park, Seok-Byung Lim, Jin Cheon Kim
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Ann Coloproctol. 2023;39(3):250-259. Published online April 4, 2022
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DOI: https://doi.org/10.3393/ac.2022.00066.0009
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 - Purpose
This study was designed to determine the feasibility of preoperative chemoradiotherapy (PCRT) in patients with clinical T2N0 distal rectal cancer.
Methods
Patients who underwent surgery for clinical T2N0 distal rectal cancer between January 2008 and December 2016 were included. Patients were divided into PCRT and non-PCRT groups. Non-PCRT patients underwent radical resection or local excision (LE) according to the surgeon’s decision, and PCRT patients underwent surgery according to the response to PCRT. Patients received 50.0 to 50.4 gray of preoperative radiotherapy with concurrent chemotherapy.
Results
Of 127 patients enrolled, 46 underwent PCRT and 81 did not. The mean distance of lesions from the anal verge was lower in the PCRT group (P=0.004). The most frequent operation was transanal excision and ultralow anterior resection in the PCRT and non-PCRT groups, respectively. Of the 46 patients who underwent PCRT, 21 (45.7%) achieved pathologic complete response, including 15 of the 24 (62.5%) who underwent LE. Rectal sparing rate was significantly higher in the PCRT group (11.1% vs. 52.2%, P<0.001). There were no significant differences in 3- and 5-year overall survival and recurrence-free survival regardless of PCRT or surgical procedures.
Conclusion
PCRT in clinical T2N0 distal rectal cancer patients increased the rectal sparing rate via LE and showed acceptable oncologic outcomes. PCRT may be a feasible therapeutic option to avoid abdominoperineal resection in clinical T2N0 distal rectal cancer.
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Citations
Citations to this article as recorded by  - Lymph node metastasis following chemoradiotherapy in advanced rectal cancer: ypT2-focused analyses of total mesorectal excision specimens
A. N. Singhi, T.-G. Lee, H.-M. Ahn, H.-R. Shin, M. J. Choi, M. H. Jo, H.-K. Oh, D.-W. Kim, S.-B. Kang
Techniques in Coloproctology.2025;[Epub] CrossRef - Performance reporting design in artificial intelligence studies using image-based TNM staging and prognostic parameters in rectal cancer: a systematic review
Minsung Kim, Taeyong Park, Bo Young Oh, Min Jeong Kim, Bum-Joo Cho, Il Tae Son
Annals of Coloproctology.2024; 40(1): 13. CrossRef - Comparative analysis of organ preservation attempt and radical surgery in clinical T2N0 mid to low rectal cancer
Hyeung-min Park, Jaram Lee, Soo Young Lee, Chang Hyun Kim, Hyeong Rok Kim
International Journal of Colorectal Disease.2024;[Epub] CrossRef - Organ preservation for early rectal cancer using preoperative chemoradiotherapy
Gyung Mo Son
Annals of Coloproctology.2023; 39(3): 191. CrossRef - Unveiling the profound advantages of total neoadjuvant therapy in rectal cancer: a trailblazing exploration
Kyung Uk Jung, Hyung Ook Kim, Hungdai Kim, Donghyoun Lee, Chinock Cheong
Annals of Surgical Treatment and Research.2023; 105(6): 341. CrossRef
Malignant disease, Rectal cancer,Prognosis and adjuvant therapy,Colorectal cancer
- Late Recurrence in a Rectal Cancer Patient Who Underwent Preoperative Chemoradiotherapy Followed by Local Excision: A Case Report
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Jin Soo Han, Seok-Byung Lim, Jin-hong Park, Yong Sang Hong
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Ann Coloproctol. 2021;37(Suppl 1):S24-S27. Published online July 27, 2021
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DOI: https://doi.org/10.3393/ac.2020.00073.0010
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3,153
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Abstract
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- Some patients who have undergone preoperative chemoradiotherapy (CRT) following surgery have been diagnosed with late recurrence more than 5 years after treatment, raising questions about the possible benefit extending surveillance beyond the recommended 5 years. In 2011, a 71-year-old male patient was diagnosed with T3N+ low-lying rectal cancer located 3 cm from the anal verge before undergoing long-course preoperative CRT. After CRT, the patient was reexamined and diagnosed with ycT1–2N0 lesion, so local excision (LE) was performed. The patient underwent intensive surveillance for up to 5 years, and no evidence of recurrence was found. At 74 months after surgery, the patient was hospitalized for a hematochezia, and local recurrence at the excision site and peritoneal seeding nodules were identified. Considering the late recurrence in this patient, it might be necessary to long-term follow-up beyond 5 years in patients with preoperative CRT followed by LE.
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Citations
Citations to this article as recorded by - Coccygodynia in a Long-Term Cancer Survivor Diagnosed with Metastatic Cancer: A Case Report
Jung Hyun Park, Seong Jin Park, Dulee Kim, Jae Hoo Park, So Young Kwon
Medicina.2024; 60(8): 1365. CrossRef
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