Effects of calcified lymph nodes perforating the bronchial tree.
D001980:Bronchi; D001982:Bronchial Diseases; D004194:Disease; D006469:Hemoptysis / Q000209:etiology*; D006801:Humans; D008198:Lymph Nodes; D008206:Lymphatic Diseases; D014197:Trees
BRONCHI/diseases; HEMOPTYSIS/etiology and pathogenesis; LYMPH NODES