Threshold association analysis between residual tumour size and distant metastasis risk after neoadjuvant therapy for rectal cancer: A multicentre retrospective study.
PURPOSE This study aimed to perform a threshold analysis of residual tumour size (RTS) to identify the critical threshold influencing distant metastasis (DM), thereby enabling more precise risk stratification. METHODS This multicentre retrospective cohort study included patients with locally advanced rectal cancer wh...