Table 11. Adjuvant chemoradiotherapy stratification treatment recommendations for stage II−III rectal cancer.

Risk stratification for recurrence of stage II−III rectal cancer	Treatments	Recommended level
TME, total mesorectal excision; CRM, circumferential resection margin; MRF, mesorectal fascia.
Meeting any of the following criteria: 　T3−4N0 low; 　CRM+; 　pN+; 　Tumor deposits (TDs) 　Nerve invasion + poor quality of TME operation/mesenteric 　defects/the quality of TME operation could not be evaluated	Postoperative concurrent chemoradiotherapy	Recommended
Meeting all the following criteria: 　T3−4aN0 if middle or high; 　CRM−; 　pN0;	Postoperative concurrent chemoradiotherapy	Not suggested
Nerve invasion−; 　Good quality of TME operation/smooth and intact mesentery