title: [PRIMARY SARCOMA OF THE LUNG (3 OBSERVATIONS)].
mesh_terms: D003240:Connective Tissue Diseases; D006801:Humans; D008175:Lung Neoplasms; D009369:Neoplasms / Q000175:diagnosis*; D012509:Sarcoma
keywords: LUNG NEOPLASMS; NEOPLASM DIAGNOSIS; SARCOMA
vernacular_title: PERVICHNYE SARKOMY LEGKOGO (3 NABLIUDENIIA)