Cysts are fairly common for women in the premenopausal years, from 20's to mid 50's. I have had several cysts show up on my mammo every year for the last 5 years too, but was diagnosed with fibrocystic breast changes in my 20's. Other than the typical monthly cycle pain I've had no problems.
The Following User Says Thank You to ItsMeG For This Useful Post: ddeb1 (01-23-2013)