No abstract available. Article truncated at 150 words. History of Present Illness A 55 year old man from Arizona was undergoing a renal transplant evaluation because of polycystic kidney disease. He was referred for an abnormal chest x-ray. He was a nonsmoker and there were no respiratory symptoms. PMH, FH and SH He has a long history of polycystic kidney disease, hypertension, gout, and a history of a kidney stone. He is a life-long nonsmoker. There is no significant family history including polycystic kidney disease. He works as a border patrol agent and is originally from Honduras. His present medications include:•Allopurinol•Amlodipine•Atenolol•Hydralazine•Sodium bicarbonate Physical Examination His blood pressure is elevated at 142/84, but otherwise his physical examination is unremarkable. Chest X-ray His chest X-ray is below (Figure 1). Figure 1. PA (Panel A) and lateral (Panel B) chest x-ray. The chest x-ray was interpreted as showing bilateral lower lobe