The impact of delayed commencement of adjuvant chemotherapy (eight or more weeks) on survival in stage II and III colon cancer: a national population-based cohort study.

Background: To examine the impact of chemotherapy delay on survival in patients with stage II or III colon cancer and the factors associated with the delay (≥8 weeks) of adjuvant chemotherapy.

Methods: Patients undergoing curative resection and adjuvant chemotherapy in a national population-based cohort were included.

Results: Among 5355 patients, 154 (2.