How am I a 32B if my rib cage is 26 inches and my breasts are 30

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How am I a 32B if my rib cage is 26 inches and my breasts are 30? Wouldn't I be a 26D? - Quora

What is my bra size? My underbust is 26' and bust is 28.5'. I don't fit into a 32A, 32B, nor a 32AA. - Quora

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