42 Gy step (n = 17) | 40 Gy step (n = 31) | |
---|---|---|
Median age (years)(min-max) | 67 (52–76) | 65 (53–79) |
Median tumor size (mm) (min-max) | 10 (4–20) | 11 (5–20) |
Histology | ||
Invasive ductal carcinoma (IDC) | 82% | 90% |
Mucinous/tubular/other invasive carcinoma | 6% | - |
Ductal Carcinoma In Situ (DCIS) | 12% | 10% |
Nodal status | ||
pN0 | 100% | 100% |
Scarff & Bloom histology grade | ||
1 | 44% | 64% |
2 | 38% | 32% |
3 | 13% | 4% |
ER status | ||
Positive | 100% | 100% |
PR status (+) | ||
Positive | 69% | 77% |
Negative | 31% | 23% |
Her2 status | ||
Negative | 100% | 100% |