Distended superior mesenteric vein with heterogenous thrombus propagating to the portal vein with no flow detected inside.
Portal vein divisions filling defects (thrombus).
Diffuse symmetrical mural wall thickening of segmental bowel loops having rosette appearance "suggesting small bowel" with aperistalsis on the dynamic study.
Preserved gut signature of the involved bowel loops with no significant free fluid around (unlike in perforation).
Echogenic surrounding mesenteric fat.