Tumor shrinkage in response to treatment with anastrozole treatment for 12 weeks
| Change from baseline after 12 weeks of treatment | Caliper | Ultrasound | Mammogram | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Anastrozole, 1 mg/day (n = 12) | Anastrozole, 10 mg/day (n = 11) | Anastrozole, 1 mg/day (n = 12) | Anastrozole, 10 mg/day (n = 11) | Anastrozole, 1 mg/day (n = 12) | Anastrozole, 10 mg/day (n = 11) | ||||
| 100% decrease (i.e., lesions disappeared) | 2 | 3 | 0 | 0 | 0 | 2 | |||
| >75 to <100% decrease | 9 | 5 | 8 | 4 | 5 | 3 | |||
| 50–75% decrease | 1 | 2 | 3 | 3 | 3 | 1 | |||
| <50% decrease to 25% increase | 0 | 1 | 1 | 4 | 4 | 5 | |||
| >25% increase | 0 | 0 | 0 | 0 | 0 | 0 | |||