I am 48 years old. Had mastectomy in 2007 t1n1mo right breast. Had chemotherapy 6 cycles and 5 years of tamoxifen. A recent breast ultrasound shows some simple cysts in the left breast. What does it indicate? is there any chance of these cysts turning malignant please Advice.

Suggestions offered by doctors on Lybrate are of advisory nature i.e., for educational and informational purposes only. Content posted on, created for, or compiled by Lybrate is not intended or designed to replace your doctor's independent judgment about any symptom, condition, or the appropriateness or risks of a procedure or treatment for a given person.