Bowel hemorrhage with "thumb printing".
D002429:Cecal Diseases / Q000000981:diagnostic imaging* / Q000209:etiology; D002648:Child; D006471:Gastrointestinal Hemorrhage / Q000000981:diagnostic imaging* / Q000209:etiology; D006801:Humans; D007945:Leukemia, Lymphoid / Q000150:complications*; D008297:Male; D011859:Radiography