Examination revealed a young man who appeared well and in no distress. Vital signs were as follows: temperature, 36.6°C; heart rate, 80/min, regular; BP, 120/76 mm Hg; respiratory rate, 15/min; and oxygen saturation, 98% on room air. There was no pallor, icterus, or cyanosis. No jugular venous distension, thyromegaly, or cervical lymphadenopathy was discerned. Lung examination revealed diminished breath sounds at the left base with decreased vocal resonance and increased dullness to percussion. Cardiac examination revealed normal heart sounds without any murmur. No organomegaly or localized tenderness was noted on abdominal examination. A midline surgical scar was noted on his abdominal wall. A rounded scar, 2 cm in diameter, was present about 5 cm lateral to the midline scar on the left, likely representing the entry gunshot wound; no exit wounds were visible. Neurologic examination was normal.