Mammogram before lift and implants?

6 months ago I suposed to get lift with implants but week before surgery mammogram and ultrasound showed some changes Results bi- rad 3 probably benign.. I was instructed to by my primary MD stop the procedure and wait 6 months .. I repeated mammogram and ultrasound after 6 months no changes Still 2 areas classified bi- rad 3 probably benign.. Should I proceed with surgery or not