1895 Aug. 162 Theodore Roosevelt..was..a sickly boy, ‘pig-chested’, very delicate.
1910 8 May ‘When a boy I was pig-chested and asthmatic’, Roosevelt says of himself.
1957 A. Stoutenburg ii. 32 ‘Why, they hardly expected him even to live! He had asthma, for one thing, and he was pig-chested.’ ‘Big-chested?’..‘Pig-chested. That's what Mom says.’