A 79-year-old woman presented with history of cough, shortness of breath, and fever of 3 months’ duration. Cough was associated with scant amount of mucoid expectoration, and fever was low grade in intensity. Shortness of breath was insidious in onset and had gradually progressed over 3 months. The patient, however, was able to carry out normal activities without any significant symptoms. There was no history of hemoptysis, chest pain, wheezing, joint pain, weight loss, skin rash, Raynaud phenomenon, epistaxis, nasal discharge, hematuria, or photosensitivity. There were no other urinary, abdominal, or neurologic complaints. Past and personal history was unremarkable. The patient was a homemaker and a lifetime nonsmoker. There were no other addictions, occupational exposure, or history of travel. The patient had been treated with broad-spectrum antibiotics and antitussives on an outpatient basis with no symptomatic improvement.