What causes pectus excavatum?

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  1. Dr. Lyall Gorenstein
     
    Dr. Lyall Gorenstein of Columbia University Department of Surgery answered:
    Pectus excavatum is believed to arise from excessive growth of the cartilage connecting the ribs to the breastbone leading to the pulling inward of the sternum. It is often present at birth. The condition may also develop during puberty and can range from mild to severe. As the child matures, symptoms of easy fatigability and decreased stamina and endurance become apparent.
    Pectus excavatum is believed to arise from excessive growth of the cartilage connecting the ribs to the breastbone leading to the pulling inward of the sternum. It is often present at birth. The condition may also develop during puberty and... More