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What causes pectus excavatum?

In pectus excavatum, the connective tissue that connects the breastbone (sternum) to the ribs grows too much. As a result, the middle of the chest appears sunken. It is not known exactly why this happens, but a genetic basis is suspected.

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Author: Jonathan Meddings BMedLabSc (Hons)
First answered: 16 Nov 2014
Last reviewed: 19 May 2018
Rating: 4.9 out of 5
Votes: 1285 (Click smiley face below to rate)
Category: Cleft lip and palate

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