title: "Bull's-eye" lesions. Solitary or multiple nodules in the gastrointestinal tract with large central ulceration.
mesh_terms: D000328:Adult; D001344:Autopsy; D005260:Female; D005471:Fluoroscopy; D006801:Humans; D007414:Intestinal Neoplasms / Q000000981:diagnostic imaging* / Q000473:pathology; D007421:Intestine, Small; D008545:Melanoma / Q000000981:diagnostic imaging* / Q000473:pathology; D009362:Neoplasm Metastasis