Answr
Your Gyn is right that the findings so far are not cancer, though
angiomyolipoma is a sort of benign growth. Here is a good page that
describes many of the kinds of lesions found in kidneys and how
to tell
them apart:
http://www.mamc.amedd.army.mil/williams/GU/Renal/Neoplasms/Smallmasses/Smallmasses.htm
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