Point of exit, none.
The distinct shadow of the angle of the ribs shows that the posterior chest wall was next to the photographic plate, and that the larger and less distinct outline of the anterior portions of the upper ribs was farther from the plate.
The nearly normal size of the shadow of the projectile shows it to be much nearer the posterior than the anterior chest wall. The blurred outline shows it to have moved with respiration. Such conditions locate its position within the thoracic cavity.
The emergency treatment is antiseptic dressing and rest.
The subsequent treatment depends upon pleural involvement or the extremely rare infection of the lung.
These cases are nearly all aseptic, and if the great vessels and nerves of the chest escape injury results are generally favorable.
PELVIS.
Plate 46.
