Oncologic effects of adjuvant chemotherapy in patients with ypT0–2N0 rectal cancer after neoadjuvant chemoradiotherapy and curative surgery: a meta-analysis

摘要

The role of adjuvant chemotherapy for patients with ypT0–2N0 rectal cancer following neoadjuvant chemoradiotherapy (nCRT) and curative surgery is uncertain. We performed a meta-analysis using selected studies to compare adjuvant chemotherapy with observation for this cohort of patients.