however , in about 25 to 30 % , they represent complications of an adverse drug reaction , recurrence of the underlying disease such as leukemia or lymphoma involving the lung , or an idiopathic `` '' fibrosis , '' '' and in a small percentage are attributable to an `` '' unrelated '' '' process such as congestive heart failure , pulmonary emboli , community-acquired pneumonia , and so on .
C0024109
lung
C0694549
community-acquired pneum