Left-sided BC patients N = 89 | Right-sided BC patients N = 15 | |
---|---|---|
Age (in years) | 56.0 ± 8.34 (40–74) | 58.3 ± 5.8 (52–67) |
Type of cancer | ||
In situ | 16 (18%) | 3 (20%) |
Invasive | 73 (82%) | 12 (80%) |
Tumor size (in mm) | 12.7 (4–100) | 8.3 (4–13) |
Grade | ||
1 | 37 (41%) | 7 (47%) |
2 | 42 (47%) | 7 (47%) |
3 | 10 (11%) | 1 (6%) |
Surgery | ||
Breast conserving | 82 (92%) | 15 (100%) |
Mastectomy | 7 (8%) | 0 (0%) |
Prescribed dose | ||
50 Gy | 68 (76%) | 13 (87%) |
47 Gy | 21 (24%) | 2 (13%) |
Boost | 81 (91%) | 14 (93%) |
9Gy | 0 (0%) | 1 (6%) |
12Gy | 66 (73%) | 4 (27%) |
12.5 Gy | 13 (14%) | 9 (60%) |
15Gy | 2 (2%) | 0 |
Regional lymph nodes irradiation | ||
Supraclavicular alone | 1 (1%) | 0 |
Internal mammary alone | 3 (3%) | 0 |
Both | 27 (30%) | 1 (7%) |