The purpose of this study is to evaluate the performance of the SOMAVAC® 100 Sustained Vacuum System after oncologic resections.

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• Patients who have participated in this trial previously and who were withdrawn;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.