The following article represents a clinical case study of a synchronous breast cancer in a 47 year old woman with no prior significant comorbidities. Up to 10% of all breast cancers can be synchronous (usually found with the help of breast MRI). The occurrence of bilaterally is considerable with invasive lobular carcinoma. The patient observed
after self-palpating her breast a nodule in the infero-external quadrant of the right breast. During almost 4 months the patient underwent punch biopsy of the right breast, lumpectomy and finally double mastectomy with immediate reconstruction using Mentor implants and AMD. The histopathological result showed ductal carcinoma in situ in the right breast and lobular carcinoma in situ in both breasts. Postoperatively the patient is free of cancer, but under clinical and imagistic surveillance.