“…Conversely, malignant or benign tumors are still major points leading to adult intussusception, the morbidity of which is up to 50–70% reported in a meta-analysis and a review ( 3 , 9 ). Also diverticulum, inflammatory bowel disease, and so on, occasionally have been mentioned in sporadic research studies ( 10 , 11 ). Certainly, early post-operative intestinal occlusions could be relatively easy to identify, but the causes are multifactorial and ambiguous, which might be linked with primary surgical stress response, intraoperative iatrogenic mechanism, prolonged placement of abdominal drainages due to immunological response and inflammatory stimuli leading to edema of intestinal wall and exudation, electrolyte imbalance, and perioperative transfusion, etc.…”