Study to Evaluate the Performance of a Sustained Vacuum System

Inclusion Criteria: * Aged 21 years or older; * Undergoing mastectomy (uni or bilateral), axillary node resection, or inguinal node resection; * Capable of providing informed consent. Exclusion Criteria: * Pregnant or lactating females; * Patients on steroids or other immune modulators known to impact healing; * Patients who are likely to not complete the study; * Patients who, in the opinion of the investigator, are unlikely to comply with the protocol; * Patients who have participated in this trial previously and who were withdrawn; * Patients with known allergies to contacting materials (i.e. latex, metal, etc.); * Patients who received neoadjuvant chemotherapy or radiotherapy within the last 3 weeks.