A Prospective, Multicenter, Open-Label, Non-Randomized, Controlled Pivotal Study to Evaluate the Safety and Effectiveness of ARTIA Reconstructive Tissue Matrix in Implant-Based Two Stage Prepectoral Breast Reconstruction Post-Mastectomy

Inclusion Criteria: * Participants who will undergo unilateral or bilateral mastectomy upon enrollment. * Participants who are willing and able to undergo immediate prepectoral, implant based, two-stage breast reconstruction with ARTIA. Exclusion Criteria: * Has an existing carcinoma of the breast without planned mastectomy or residual gross local tumor of the breast after mastectomy. * Has any disease which is clinically known to impact wound healing ability, such as uncontrolled diabetes or history of compromised wound healing.