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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%)