Uterine tissue: There are uncommon instances where a woman has endometrial tissue (tissue inside the uterus)located outside the uterus. This tissue can sometimes be located in the lining of the lung and can bleed during a normal menstrual period. It's possible that this is causing the rib pain you are describing.
Answered 9/29/2016
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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