Fig. 1

Computed tomography findings. a Intestinal ischemia was noted in almost all intestinal tracts. Extensive free intra-abdominal gas was noted in the upper and lower abdomen (arrowheads). Intestinal pneumatosis and intussusception of the small intestinal tumor were noted in the right lower abdomen (circle). b A large mass was found in the upper right lobe of patient’s lung (circle)