Inclusion Criteria:  Subjects greater than 18 years of age. Subject who are undergoing implant-based, tissue expander breast reconstruction surgery.  Exclusion Criteria:  Subjects undergoing flap breast reconstruction. Subjects who are undergoing direct-to-implant surgery. Subjects who have previously undergone radiation therapy. Medical or psychiatric condition that may increase the risk associated with study participation, may complicate patient compliance, or may interfere with the interpretation of study results and, in the judgment of the Investigator, would make the subject inappropriate for entry into this study. Subjects who are pregnant at the date of surgery.