title: The "distorted spoke" sign of malignant gastric ulceration.
mesh_terms: D003937:Diagnosis, Differential; D005753:Gastric Mucosa; D006801:Humans; D011859:Radiography; D013274:Stomach Neoplasms / Q000000981:diagnostic imaging*; D013276:Stomach Ulcer / Q000000981:diagnostic imaging*