Post-operative Surveillance
Systematic postoperative monitoring of patients with colorectal
cancer has been shown to improve their survival, and it remains unknown whether a more intensive strategy offers any significant advantage. Patients with stage II or III colorectal
cancer were randomly allocated either to a specific surveillance plan, including clinical evaluation and serum carcinoembryonic antigen monitoring, or a comprehensive strategy that included abdominal
computed tomography or ultrasonography, chest x-ray, and colonoscopy. In patients with stage II colorectal
cancer or those with rectal tumors, a more aggressive
screening approach increases the prognosis. Inclusion of daily colonoscopy results is warranted, at least until the fifth year of follow-up.This retrospective, multicenter, randomized, controlled trial was designed to assess the efficacy of both the survival and resectability of recurrences of two separate surveillance strategies.
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