Liying Zhao1, Feng Bao1,2, Jun Yan1, Hao Liu1, Tingting Li1, Hao Chen1, Guoxin Li3. 1. Department of General Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, People's Republic of China. 2. Department of General Surgery, Mianyang Central Hospital, Mianyang, People's Republic of China. 3. Department of General Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, People's Republic of China. gzliguoxin@163.com.
Abstract
PURPOSE: The present study aimed to explore the survival outcomes of patients with colorectal cancer (CRC) aged 35 years and younger. METHODS: This retrospective cohort study included a total of 995 patients with CRC treated between January 2003 and September 2011. The patients were assorted into the young (aged 18-35 years) and older (aged 36-75 years) groups. The clinical characteristics and survival outcomes of the patients in the young group were compared with those of the patients in the older group for evaluation. RESULTS: Compared with the older group, a significantly higher number of patients in the young group had right-sided colon cancer (30.9 vs. 19.6%, P = 0.026), high histologic grade tumor (14.7 vs. 6.4%, P = 0.021), and stage III disease (50.0 vs. 35.5%, P = 0.016). In stage III disease, compared with the older group, the patients in the young group had worse survival outcome in terms of 5-year overall survival (OS, P = 0.007), cancer-specific survival (CSS, P = 0.010), and disease-free survival (DFS, P = 0.039). Multivariate analysis revealed that age ≤35 years was an independent risk factor in terms of 5-year OS (hazard ratio [HR] = 1.68; 95% confidence interval [CI]: 1.12-2.54; P = 0.012), CSS (HR = 1.74; 95% CI: 1.15-2.65; P = 0.009), and DFS (HR = 1.58; 95% CI: 1.06-2.35; P = 0.024). CONCLUSIONS: The young patients with CRC aged 35 years and younger had worse prognosis compared with older patients, especially for stage III disease.
PURPOSE: The present study aimed to explore the survival outcomes of patients with colorectal cancer (CRC) aged 35 years and younger. METHODS: This retrospective cohort study included a total of 995 patients with CRC treated between January 2003 and September 2011. The patients were assorted into the young (aged 18-35 years) and older (aged 36-75 years) groups. The clinical characteristics and survival outcomes of the patients in the young group were compared with those of the patients in the older group for evaluation. RESULTS: Compared with the older group, a significantly higher number of patients in the young group had right-sided colon cancer (30.9 vs. 19.6%, P = 0.026), high histologic grade tumor (14.7 vs. 6.4%, P = 0.021), and stage III disease (50.0 vs. 35.5%, P = 0.016). In stage III disease, compared with the older group, the patients in the young group had worse survival outcome in terms of 5-year overall survival (OS, P = 0.007), cancer-specific survival (CSS, P = 0.010), and disease-free survival (DFS, P = 0.039). Multivariate analysis revealed that age ≤35 years was an independent risk factor in terms of 5-year OS (hazard ratio [HR] = 1.68; 95% confidence interval [CI]: 1.12-2.54; P = 0.012), CSS (HR = 1.74; 95% CI: 1.15-2.65; P = 0.009), and DFS (HR = 1.58; 95% CI: 1.06-2.35; P = 0.024). CONCLUSIONS: The young patients with CRC aged 35 years and younger had worse prognosis compared with older patients, especially for stage III disease.
Entities:
Keywords:
Clinicopathological feature; Colorectal cancer; Prognosis; Radical surgery; Young
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