There are unique risks associated with wearing polyester! It is incredibly difficult to find surgeons and implants above 800cc in silicone.
If my corsets weren't fitted correctly or chafed, I wouldn't wear them.
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Corsets can be painful, but so can the wrong pair of jeans- nobody says that all jeans are awful and uncomfortable because you have that one pair that digs in at the hip- yet a properly fitting corset is as comfortable as a properly fitting pair of jeans.
What size are your breasts? Body modification lifestyles come with weird and unique risks- you have to modify and change the way you do things to suit that lifestyle.
I'm not sure where the myth that corsets can't be removed came from.