First of all, it is important that no impairment of breathing or circulatory function occurs with a keel chest or a funnel chest. However, malpositions are very common, as those affected try to conceal the malposition. However, the strong pressure of the sternum can cause pain if it is particularly pronounced.
However, the psychological burden is high, as the visual impairment is perceived as very severe. Many affected persons are ashamed of the finding, which is particularly intensified during puberty and is thus more clearly visible.