Pectus excavatum is a condition in which the "breast bone" (sternum) appears sunken and the chest concave. It is sometimes called "funnel chest". The majority of these cases are not associated with any other condition (isolated findings). However, some genetic conditions include pectus excavatum.
Update Date 1/25/2016
Updated by: Chad Haldeman-Englert, MD, FACMG, Fullerton Genetics Center, Asheville, NC. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.