Fig. 1From: Maintenance tegafur-uracil versus observation following an adjuvant oxaliplatin-based regimen in patients with stage III colon cancer after radical resection: study protocol for a randomized controlled trialTrial enrollment. Stage III disease: T1–4, N1–2, and M0, as defined by the AJCC 7th edition. Completion of an adjuvant oxaliplatin-based regimen with no evident disease recurrence. The patients were withdrawn in cases of disease recurrence, intolerable toxicity, or consent withdrawal during the studyBack to article page