Number of Evaluated Lesions According to Histopathologic Findings
| Finding | O PET (n = 80) | C PET (n = 80) |
| Malignant lesions | 76 (95%) | 76 (95%) |
| Invasive ductal carcinoma | 67 | 67 |
| Grade I | 15 (13 within FOV) | 15 (14 within FOV) |
| Grade II | 41 (37 within FOV) | 41 (38 within FOV) |
| Grade III | 11 (9 within FOV) | 11 (10 within FOV) |
| Invasive lobular carcinoma | 5 | 5 |
| Noninvasive carcinoma (DCIS) | 4 (3 within FOV) | 4 (3 within FOV) |
| Atypical ductal hyperplasia | 1 (1%) | 1 (1%) |
| Benign lesions | 3 (4%) | 3 (4%) |
| Fibroadenoma | 1 | 1 |
| Fibrocystic change | 2 | 2 |
FOV = field of view.