<unk>  must be<unk> ed from other diseases that cause hematochezia, melena, and iron deficiency anemia, such as hemorrhoids, diverticular disease, and colon cancer.
Angiodysplasia differential diagnosis
Aortitis differential diagnosis
Varicose veins differential diagnosis
Deep vein thrombosis differential diagnosis
Carcinoid syndrome differential diagnosis
Portal vein thrombosis differential diagnosis
Takayasu's arteritis differential diagnosis
Hemangioma differential diagnosis