Is pectus carinatum something for me to worry about?

That depends: Most often people's main concern is how pectus carinatum looks. However, there are some people who suffer from colds or asthma.

Pectus Carinatum: There are very few symptoms associated with the deformity, but in some cases children will experience tenderness and pain during exercises or other times of increased respiratory effort. Moreover, it is well recognized that pectus carinatum may lead to psychosocial problems in teenagers and young adults. The condition is not life-threatening.