Surgical oncology · 2025
The prognostic outcome of tumor deposit in colorectal cancer beyond stage N staging.
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Saikeaw Tanasit, Tipmanee Phadungkiat, Chareonpornwattana Pasut, Watthanasathitarpha Gritcharat, Dasom Kanyanat, Limvorapitak Thitithep
Аннотация
BACKGROUND: Tumor deposits (TD) have been shown to have prognostic implications in patients diagnosed with colorectal cancer (CRC), although their impact appears to be modest compared to regional lymph node metastases.
PATIENTS AND METHODS: A retrospective analysis was conducted involving patients with colorectal cancer in stages I-III who underwent curative resections between January 2015 and December 2019 in the tertiary care center in Thailand. These patients were divided into two cohorts: TD positive and TD negative. Additionally, the patients were subsequently classified into N0, N1, and N2 groups. Disease-free survival and overall survival were compared.
RESULTS: Among the 1015 eligible patients, 176 (17.3 %) had tumor deposits (TD), while 374 patients (36.8 %) had positive lymph nodes (LN). The TD positive group demonstrated a significantly lower 5-year overall survival rate (OS) and 5-year disease-free survival rate (DFS) compared to the TD negative group (73.5 % vs 85.9 %, p < 0.001 and 72.5 % vs 87.9 %, p < 0.001 respectively). Upon stratification by various N stages, the presence of TD was notably associated with DFS in the N1 group (5-year DFS: 84.3 % vs. 89.2 %, p = 0.006). Multivariate logistic analyses shown TD as an independent predictor of disease recurrence [p = 0.02; hazard ratio (HR):1.71 (1.11-2.64)].
CONCLUSION: The presence of TD was significantly correlated with reduced overall survival (OS) and disease-free survival (DFS) in colorectal cancer, especially in patients with nodal metastases.
PATIENTS AND METHODS: A retrospective analysis was conducted involving patients with colorectal cancer in stages I-III who underwent curative resections between January 2015 and December 2019 in the tertiary care center in Thailand. These patients were divided into two cohorts: TD positive and TD negative. Additionally, the patients were subsequently classified into N0, N1, and N2 groups. Disease-free survival and overall survival were compared.
RESULTS: Among the 1015 eligible patients, 176 (17.3 %) had tumor deposits (TD), while 374 patients (36.8 %) had positive lymph nodes (LN). The TD positive group demonstrated a significantly lower 5-year overall survival rate (OS) and 5-year disease-free survival rate (DFS) compared to the TD negative group (73.5 % vs 85.9 %, p < 0.001 and 72.5 % vs 87.9 %, p < 0.001 respectively). Upon stratification by various N stages, the presence of TD was notably associated with DFS in the N1 group (5-year DFS: 84.3 % vs. 89.2 %, p = 0.006). Multivariate logistic analyses shown TD as an independent predictor of disease recurrence [p = 0.02; hazard ratio (HR):1.71 (1.11-2.64)].
CONCLUSION: The presence of TD was significantly correlated with reduced overall survival (OS) and disease-free survival (DFS) in colorectal cancer, especially in patients with nodal metastases.