Transanal drainage tube for the prevention of anastomotic leakage in anterior resection for rectal cancer: a systematic review and meta-analysis.

Objective: To evaluate the ability of the transanal drainage tube (TDT) to prevent anastomotic leakage (AL) and provide clinicians with the latest evidence in this area.

Materials And Methods: We search for relevant studies according to a search strategy. Data extracted from the study were analyzed using RevMan 5.