Henry M. Seidel

Chest and Lungs

See thoracic landmarks. ■ Size/shape/symmetry ■ Landmarks EXPECTED: Supernumerary nipples possible (can be clue to other congenital abnormalities, particularly in whites). ■ Compare anteroposterior diameter with transverse diameter EXPECTED: Ribs prominent, clavicles prominent superiorly, sternum usually flat and free of abundance of overlying tissue. Chest somewhat asymmetric. Anteroposterior diameter often half of transverse diameter. UNEXPECTED: Barrel chest, posterior or lateral deviation, pigeon chest, or funnel chest.