The goal of this clinical trial is to assess the efficacy of pentoxifylline in reducing postsurgical complications for breast cancer patients undergoing breast cancer surgery. It aims to evaluate the efficacy of pentoxifylline on postoperative pain and wound healing.

The goal of this clinical trial is to assess the efficacy of pentoxifylline in reducing postsurgical complications for breast cancer patients undergoing mastectomy.

It aims to evaluate the efficacy of adjuvant pentoxifylline in reducing postoperative pain and improving wound healing in breast cancer patients undergoing mastectomy surgery.

Participants will take standard of care treatment with oral pentoxifylline 400 mg 2 hours before surgery, then oral pentoxifylline 400 mg three times per day for 4 weeks, while the control group will only take standard of care. The researchers will compare the difference in pain score and time for wound healing relative to the control group.

Inclusion Criteria:

1. Adult female patients aged 18 to 65 years
2. Patients completed neoadjuvant chemotherapy cycles and scheduled for breast cancer surgery.

Exclusion Criteria:

1. Patients on treatment regimen of phosphodiesterase inhibitors
2. Patients who are taking antiplatelet or anticoagulant treatment
3. Patients who are allergic to phosphodiesterase inhibitors
4. History of recent hemorrhagic events
5. Active peptic ulcer
6. History of psychological problems
7. History of chronic pain management
8. Pregnancy or breastfeeding