Table 1.
Tumor diagnostic characteristics
| Tumor* | ||||
| 5A | 5B | 7 | 9 | |
| Diagnosis | IDC | IDC | IDC | IDC |
| Size (cm) | 3.5 | 3.0 | 2.2 | 1.5 |
| Grade | ||||
| Histologic | 2 | 2 | 2 | 2 |
| Nuclear | 2 | 2 | 2 | 2 |
| ER status (fmols/mg) | 178 (positive) | 428 (positive) | 250 (positive) | 475 (positive) |
| PR status (fmols/mg) | 0 (negative) | 4 (negative) | 150 (positive) | 350 (positive) |
| S phase | 3% | 2% | Ill-defined G0/G1 peak | 4% |
| Ploidy | Diploid | Diploid | Diploid | Diploid |
| DNA index | 1.0 | 1.0 | 1.0 | 1.0 |
| Comments | No adjacent DCIS | No adjacent DCIS | Adjacent DCIS | Adjacent DCIS |
*Tumors 5A and 5B are separate adjacent tumors from the right breast of an 87-year-old woman; tumors 7 and 9 are from a 36- and a 76-year-old woman, respectively. DCIS, ductal carcinoma in situ.