Table 1 patient characteristics

Number of patients

74

50

Median age (years)

49 (31–74)

45 (33–56)

Breast conserving surgery (yes/no)

35/39

33/17

T category

 Is

3

4

 1

21

24

 2

36

19

 3

8

2

 4

6

1

N category

 0

31

25

 1

24

17

 2

13

3

 3

5

4

 x

1

1

Hormone receptor (±)

50/24

44/6

HER-2 (±)

24/50

15/35

Hypofractionated RT/conventional RT

33/41

40/10

Chemotherapy (yes/no)

63/11

35/15