the patients had the following lung diseases : infectious pneumonitis ( 19 cases ) , pulmonary fibrosis ( 13 cases ) including 5 sarcoidosis , 3 idiopathic pulmonary fibrosis and 5 silicosis , hypersensitivity pneumonitis ( 5 cases ) and miscellaneous lung tumors ( 12 cases ) .
C0002390
hypersensitivity pneumonitis
C0024109
lung