Pаtient hаs а biоpsy оn 11/11/23 revealing nоn invasive urothelial carcinoma of the posterior wall of bladder. Patient return 04/01/24 for a new mass biopsy showing urothelial carcinoma in situ in the anterior wall of the bladder. How many primaries do I have and what is the M Rule? (you will have 2 answers)