Percentage Postoperative Change of Cross-Sectional Volume of Pectoralis Major Muscle at Three Predetermined Sites Using Preoperative and Postoperative Magnetic Resonance Imaging Assessment and Mean Values
| By Case and Overall | Site 1 (Lateral), % | Site 2 (Middle), % | Site 3 (Medial), % |
|---|---|---|---|
| Patient 1 | –2 | 28.0 | 33.0 |
| Patient 2 | 24 | 9.0 | 60.0 |
| Mean | 11 | 18.5 | 46.5 |