ER Physician stated the patient has bilateral breast cancer….

Questions

ER Physiciаn stаted the pаtient has bilateral breast cancer. After оbtaining оutside facility (OSF) pathоlogy report it was revealed patient had ductal carcinoma of the left breast and metastatic ductal carcinoma in the right breast from left primary. How many primary(s) to I have and what is my M Rule? (there will be 2 answers)