title: Carcinoma of lung in four siblings.
mesh_terms: D002294:Carcinoma, Squamous Cell / Q000235:genetics*; D002857:Chromium / Q000009:adverse effects; D004781:Environmental Exposure; D005260:Female; D006801:Humans; D008175:Lung Neoplasms / Q000209:etiology / Q000235:genetics* / Q000473:pathology; D008297:Male; D008875:Middle Aged; D011379:Prognosis; D012907:Smoking
chemical_list: D002857:Chromium