title: The importance of defining location and staging of superior pulmonary sulcus tumors.
mesh_terms: D002283:Carcinoma, Bronchogenic / Q000145:classification* / Q000175:diagnosis; D006801:Humans; D008175:Lung Neoplasms / Q000145:classification* / Q000175:diagnosis; D009362:Neoplasm Metastasis; D011379:Prognosis