title: [Vanishing tumors: 4 cases].
mesh_terms: D000368:Aged; D003937:Diagnosis, Differential; D006801:Humans; D008875:Middle Aged; D010996:Pleural Effusion / Q000000981:diagnostic imaging*; D011859:Radiography; D013899:Thoracic Neoplasms / Q000000981:diagnostic imaging*
vernacular_title: Tumores evanescentes: 4 casos.