Long-term outcomes and lymph node metastasis following endoscopic resection with additional surgery or primary surgery for T1 colorectal cancer

Abstract Optimal management of T1 colorectal cancer (CRC) remains controversial. This study compared the long-term outcomes of endoscopic resection with additional surgical resection (ER + ASR) versus primary surgical resection (PS) in patients with T1 CRC and identified risk factors for lymph node...

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Main Authors: Pin-Chun Chen, Yi-Kai Kao, Po-Wen Yang, Chia-Hung Chen, Chih-I Chen
Format: Article
Language:English
Published: Nature Portfolio 2025-01-01
Series:Scientific Reports
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Online Access:https://doi.org/10.1038/s41598-024-84915-x
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author Pin-Chun Chen
Yi-Kai Kao
Po-Wen Yang
Chia-Hung Chen
Chih-I Chen
author_facet Pin-Chun Chen
Yi-Kai Kao
Po-Wen Yang
Chia-Hung Chen
Chih-I Chen
author_sort Pin-Chun Chen
collection DOAJ
description Abstract Optimal management of T1 colorectal cancer (CRC) remains controversial. This study compared the long-term outcomes of endoscopic resection with additional surgical resection (ER + ASR) versus primary surgical resection (PS) in patients with T1 CRC and identified risk factors for lymph node metastasis (LNM). This retrospective cohort study included 373 patients with T1 CRC who underwent ER + ASR or PS between January 2010 and December 2020 at a tertiary center in Taiwan. Surgical and oncological outcomes, including recurrence rates, LNM, 5-year overall survival (OS), and 5-year recurrence-free survival (RFS) were compared. Univariate and multivariate analyses identified risk factors for LNM. No significant differences were observed between the ER + ASR and PS groups in surgical outcomes, recurrence rates, LNM, 5-year OS (93% vs. 89%, P = 0.18), or 5-year RFS (89% vs. 88%, P = 0.47). Patients with ≥ 2 high-risk factors had significantly lower 5-year OS and RFS compared to those with ≤ 1 risk factor (p < 0.01). Poor histology grade and lymphovascular invasion were independent risk factors for LNM. ER + ASR and PS had comparable long-term outcomes in patients with T1 CRC. A multidisciplinary approach and standardized protocols are required for optimal management of early-stage CRC.
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spelling doaj-art-f47a292f71ba4510b6d1a3ed881cc82e2025-01-26T12:30:00ZengNature PortfolioScientific Reports2045-23222025-01-0115111010.1038/s41598-024-84915-xLong-term outcomes and lymph node metastasis following endoscopic resection with additional surgery or primary surgery for T1 colorectal cancerPin-Chun Chen0Yi-Kai Kao1Po-Wen Yang2Chia-Hung Chen3Chih-I Chen4Division of Colon and Rectal Surgery, Department of Surgery, E-DA Hospital, I-Shou UniversityDivision of Colon and Rectal Surgery, Department of Surgery, E-DA Hospital, I-Shou UniversityDivision of Colon and Rectal Surgery, Department of Surgery, E-DA Hospital, I-Shou UniversityDivision of Colon and Rectal Surgery, Department of Surgery, E-DA Hospital, I-Shou UniversityDivision of Colon and Rectal Surgery, Department of Surgery, E-DA Hospital, I-Shou UniversityAbstract Optimal management of T1 colorectal cancer (CRC) remains controversial. This study compared the long-term outcomes of endoscopic resection with additional surgical resection (ER + ASR) versus primary surgical resection (PS) in patients with T1 CRC and identified risk factors for lymph node metastasis (LNM). This retrospective cohort study included 373 patients with T1 CRC who underwent ER + ASR or PS between January 2010 and December 2020 at a tertiary center in Taiwan. Surgical and oncological outcomes, including recurrence rates, LNM, 5-year overall survival (OS), and 5-year recurrence-free survival (RFS) were compared. Univariate and multivariate analyses identified risk factors for LNM. No significant differences were observed between the ER + ASR and PS groups in surgical outcomes, recurrence rates, LNM, 5-year OS (93% vs. 89%, P = 0.18), or 5-year RFS (89% vs. 88%, P = 0.47). Patients with ≥ 2 high-risk factors had significantly lower 5-year OS and RFS compared to those with ≤ 1 risk factor (p < 0.01). Poor histology grade and lymphovascular invasion were independent risk factors for LNM. ER + ASR and PS had comparable long-term outcomes in patients with T1 CRC. A multidisciplinary approach and standardized protocols are required for optimal management of early-stage CRC.https://doi.org/10.1038/s41598-024-84915-xT1 colorectal cancerEndoscopic resectionSurgical resectionRisk stratificationLymph node metastasis
spellingShingle Pin-Chun Chen
Yi-Kai Kao
Po-Wen Yang
Chia-Hung Chen
Chih-I Chen
Long-term outcomes and lymph node metastasis following endoscopic resection with additional surgery or primary surgery for T1 colorectal cancer
Scientific Reports
T1 colorectal cancer
Endoscopic resection
Surgical resection
Risk stratification
Lymph node metastasis
title Long-term outcomes and lymph node metastasis following endoscopic resection with additional surgery or primary surgery for T1 colorectal cancer
title_full Long-term outcomes and lymph node metastasis following endoscopic resection with additional surgery or primary surgery for T1 colorectal cancer
title_fullStr Long-term outcomes and lymph node metastasis following endoscopic resection with additional surgery or primary surgery for T1 colorectal cancer
title_full_unstemmed Long-term outcomes and lymph node metastasis following endoscopic resection with additional surgery or primary surgery for T1 colorectal cancer
title_short Long-term outcomes and lymph node metastasis following endoscopic resection with additional surgery or primary surgery for T1 colorectal cancer
title_sort long term outcomes and lymph node metastasis following endoscopic resection with additional surgery or primary surgery for t1 colorectal cancer
topic T1 colorectal cancer
Endoscopic resection
Surgical resection
Risk stratification
Lymph node metastasis
url https://doi.org/10.1038/s41598-024-84915-x
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