4.6 Article

Clinicopathological and Molecular Features of Patients with Early and Late Recurrence after Curative Surgery for Colorectal Cancer

期刊

CANCERS
卷 13, 期 8, 页码 -

出版社

MDPI
DOI: 10.3390/cancers13081883

关键词

colorectal cancer; early recurrence; late recurrence; prognostic factor; genetic alteration

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资金

  1. Taipei Veterans General Hospital [V105C-043, V106C-027, V107C-004]
  2. Ministry of Science and Technology, Taiwan [105-2314-B-075-010-MY2]
  3. Taipei City Hospital [10601-62-059,10701-62-050]

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Colorectal cancer patients with early recurrence display advanced pathological characteristics, worse survival rates, more APC mutations. Right-sided colon cancer patients are more likely to experience early recurrence. However, postrecurrence survival rates are not significantly different between early and late recurrence patients. Multivariate analysis identified early recurrence, old age, multiple-site recurrence, BRAF and NRAS mutations as independent prognostic factors.
Simple Summary Colorectal cancer patients with early recurrence had advanced pathological node categories, pathological tumor, node, metastasis stages, adjuvant chemotherapy treatment, a worse overall survival rate, more liver metastases and more APC mutations than those with late recurrence. Patients with right-sided colon cancer tended to have early recurrence than those with left-sided colon cancer or rectal cancer. The postrecurrence survival rates were not significantly different between patients with early and late recurrence, which was observed in right-sided colon, left-sided colon and rectum. Multivariate analysis showed that old age, early recurrence, multiple-site recurrence and BRAF and NRAS mutations were independent prognostic factors. Background: Few reports have investigated genetic alterations between patients with early and late recurrence following curative surgery for colorectal cancer (CRC). Methods: A total of 1227 stage I-III CRC patients who underwent curative resection were included retrospectively. Among them, 236 patients had tumor recurrence: 139 had early (<2 years after surgery) and 97 had late (>= 2 years after surgery) recurrence. Clinicopathological features and genetic alterations were compared between the two groups. Results: Compared to those with late recurrence, patients with early recurrence were more likely to have advanced pathological node (N) categories; tumor, node, metastasis (TNM) stages; adjuvant chemotherapy treatment; liver metastases; APC mutations; and worse five-year overall survival rates. Patients with right-sided colon cancer were more likely to develop early recurrence than were those with left-sided colon cancer or rectal cancer. Regarding rectal cancer, patients with early recurrence were more likely to be at advanced pathological N categories and TNM stages than those with late recurrence. Multivariate analysis revealed old age, early recurrence, multiple-site recurrence, and BRAF and NRAS mutations to be independent prognostic factors. Conclusion: CRC patients with early recurrence have a worse OS rate and more APC mutations than those with late recurrence.

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