Evaluation of the Safety and Effectiveness of ARTIA Reconstructive Tissue Matrix Breast Reconstruction (ADORA) in Adult Participants

Inclusion Criteria: * Participants who will undergo unilateral or bilateral mastectomy upon enrollment. * Participants who are willing and able to undergo immediate pre-pectoral two-stage breast reconstruction with ARTIA or without ADM. 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.