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Table 1 Patients baseline characteristics

From: Is mean heart dose a relevant surrogate parameter of left ventricle and coronary arteries exposure during breast cancer radiotherapy: a dosimetric evaluation based on individually-determined radiation dose (BACCARAT study)

  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%)