Chest framwork .Normal A-P/T diameter:1/1.5 .Flat chest .Barrel chest .Rachitic chest Rachitic rosary(肋骨串珠) Funnel chest(漏斗胸) .Unilateral deformation .Local bulge of chest wall .Thoracic deformity caused by deformed spineChest framwork •Normal A-P/T diameter: 1/1.5 •Flat chest •Barrel chest •Rachitic chest Rachitic rosary（肋骨串珠） • Funnel chest（漏斗胸） •Unilateral deformation •Local bulge of chest wall •Thoracic deformity caused by deformed spine