title: Significance of solitary mediastinal shadow in patients with previous malignancy.
mesh_terms: D000328:Adult; D000368:Aged; D001943:Breast Neoplasms / Q000150:complications*; D005260:Female; D006801:Humans; D008297:Male; D008476:Mediastinal Cyst / Q000000981:diagnostic imaging*; D008479:Mediastinal Neoplasms / Q000000981:diagnostic imaging; D009362:Neoplasm Metastasis; D011859:Radiography; D013964:Thyroid Neoplasms / Q000150:complications*