the most significant postoperative complications were cardiac insufficiency ( 7 ) , mechanical bowel obstruction ( 5 ) , sepsis ( 4 ) , short bowel syndrome ( 3 ) , respiratory insufficiency or pneumonia ( 3 ) , anastomotic leak ( 2 ) or stenosis ( 1 ) , bleeding ( 2 ) , bowel infarction ( 1 ) .
C0032787
postoperative complications
C0919691
anastomotic leak