_____, characterized by a depressed chest, is the most common congenital deformity of the chest. Surgical Technology Chapter 22 _____, characterized by a depressed chest, is the most common congenital deformity of the chest. a. Pectus carinatum b. Pigeon chest c. Pectus excavatum d. None of these choices is correct. Answer: C Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+