@wattle069 i understand your concern completely. All through my diagnosis, DCIS was identified in one breast only. After 4 weeks of multiple scans on the identified breast, the breast surgeon recommended redoing all the scans again in a private clinic on both breasts including an MRI. The very last scan noted some minor specks on the other side less than 5mm. After lumpectomy we discussed results and family history to determine next phase of treatment. In the end it's up to you. Your decision is what will work best for you. Best wishes