Table 4.
Pathologic findings in undertreated and properly treated aged > 65 years.
| Pathologic finding | Full treatment | Undertreated | P value |
|---|---|---|---|
| Histopathology | |||
| Infiltrating ductal | 199 (82%) | 138 (67%) | <0,01 |
| Infiltrating lobular | 19 (8%) | 27 (13%) | NS |
| DCIS | 25 (10%) | 41 (20%) | <0,01 |
| Grading | |||
| G1 | 34 (14%) | 37 (18%) | NS |
| G2 | 134 (55%) | 140 (68%) | <0,01 |
| G3 | 75 (31%) | 29 (14%) | <0,01 |
| Tumor size | |||
| Median | 1.4 | 1.0 | |
| 0-2 | 168 (69%) | 159 (77%) | NS |
| 2-5 | 63 (26%) | 39 (19%) | NS |
| >5 | 12 (5%) | 8 (4%) | NS |
| Involved nodes | |||
| Mean | 1.1 | 0.5 | |
| 0 | 182 (75%) | 167 (81%) | NS |
| 1-3 | 29 (12%) | 29 (14%) | NS |
| >4 | 31 (13%) | 12 (6%) | <0,05 |
| Estrogen receptor positive | 194 (80%) | 185 (90%) | <0,01 |
| Surgery | |||
| Breast conservation | 59 (24%) | 66 (32%) | NS |
| Mastectomy | 184 (76%) | 140 (68%) | NS |
| Postoperative chemotherapy | 66 (27%) | 8 (4%) | <0,01 |
| Tamoxifen/Aromatase inhibitor | 197 (81%) | 107 (52%) | <0,01 |
| Radiation therapy | 204 (84%) | 62 (30%) | <0,01 |