Histogram showing representative values of pulmonary function for patients with ankylosing spondylitis (AS), kyphoscoliosis (KS), pectus excavatum (Pectus), and thoracoplasty (TP).
Adapted from McCool, FD, Rochester, DF. The lungs and chest Wall diseases. In: Textbook of Respiratory Medicine, 2nd ed, Vol 2, Murray, JF, Nadel, JA (Eds), WB Saunders, Philadelphia 1994.