title: [Primary sarcoma of the lung].
mesh_terms: D000368:Aged; D005354:Fibrosarcoma / Q000473:pathology*; D006801:Humans; D008175:Lung Neoplasms / Q000473:pathology*; D008207:Lymphatic Metastasis / Q000473:pathology; D008297:Male; D008875:Middle Aged; D012509:Sarcoma / Q000473:pathology*
vernacular_title: Sarcoma primitivo de pulmón.