Clinical findings. (A) A table summarizing medical history and key laboratory findings related to infectious diseases in the three patients studied. (B) Chest x ray of P3 on presentation. (C) Thoracic CT scans of P3. (D) A common wart on the forehead of P1. (E) A common wart on the extremity of P2. (F) A genital wart in P2. Infx, infections; Stg, stage.