Post-operative evaluation
ADVERSE EVENT, SURGICAL COMPLICATIONS, POSTOPERATIVE HEMORRHAGE, COMPLICATIONS
From the end of surgery to 30 days after surgery, the items that were evaluated included: (1) Initial discharge date after surgery; (2) Presence or absence of postoperative hemorrhage; (3) Presence or absence of re-operation; (4) Pathological findings; and (5) Postoperative early complications. The principal investigator’s or sub-investigator’ judgment related to the causal relationship with surgery was also recorded. Assessment of surgical complications was performed according to the Common Terminology Criteria for Adverse Events (CTCAE v4.0) and Clavien–Dindo classification.