What appears to be a wide rib cage is really the subcutaneous layer of fat under your skin. Your bones and your body frame can't change, but your weight can.
Skinny With Low Body Fat but no abs — Outlive
Gryphon Adams
Does anyone have a stomach that looks like mine and will it ever
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I'm overweight and have a medium largish rib cage. If I lose weight, will my rib cage get smaller in size? - Quora
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