title: Soft-tissue tracheal mass associated with previously resected bronchogenic carcinoma.
mesh_terms: D002283:Carcinoma, Bronchogenic / Q000473:pathology; D002294:Carcinoma, Squamous Cell / Q000473:pathology; D003937:Diagnosis, Differential; D006801:Humans; D008175:Lung Neoplasms / Q000473:pathology; D008297:Male; D008875:Middle Aged; D009093:Mucus; D011859:Radiography; D012983:Soft Tissue Neoplasms / Q000000981:diagnostic imaging*; D014134:Tracheal Neoplasms / Q000000981:diagnostic imaging*