Describe the chest wall deformities pectus excavatum and pectus carinatum.

Describe the chest wall deformities pectus excavatum and pectus carinatum.

• A. Pectus excavatum is a sunken sternum; pectus carinatum is a protruding sternum.
• B. Pectus excavatum is a protruding sternum; pectus carinatum is a sunken sternum.
• C. Pectus excavatum is a sunken sternum and pectus carinatum is a protruding sternum; severe forms can affect cardiopulmonary function.
• D. They do not affect cardiopulmonary function.

Answer: (C)