title: Postoperative contrast enhancement in patients with brain tumor.
mesh_terms: D001927:Brain Diseases / Q000000981:diagnostic imaging*; D001932:Brain Neoplasms / Q000601:surgery*; D003287:Contrast Media; D006801:Humans; D011183:Postoperative Complications / Q000000981:diagnostic imaging; D011859:Radiography
chemical_list: D003287:Contrast Media