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Table 3 Subsequent recurrence after treatment for loco-regional recurrence in breast cancer

From: Radiation dose escalation for loco-regional recurrence of breast cancer after mastectomy

  

Dose (Gy)

 

All patents

<66

≥66

 

n

%

n

%

n

%

Number of patients

28

100.0%

12

42.9%

16

57.1%

Site

      

 In Field

25

89.3%

10

35.7%

15

53.6%

 Field margin

3

10.7%

2

7.1%

1

3.6%

 Chest Wall

19

67.9%

8

28.6%

11

39.3%

 Sternum

2

7.1%

1

3.6%

1

3.6%

 Axilla

6

21.4%

4

14.3%

2

7.1%

 Supraclav fossa

6

21.4%

2

7.1%

4

14.3%

 Reconstructed breast

3

10.7%

1

3.6%

2

7.1%

 Internal Mammary

1

3.6%

1

3.6%

0

0.0%

 Infraclav fossa

1

3.6%

0

0.0%

1

3.6%

Progression during XRT

2

7.1%

1

3.6%

1

3.6%

  1. No difference was found between escalated (≥66) and standard (<66) dose groups in number or site of recurrences. Six patients had synchronous loco-regional recurrences. All recurrences were either in field or at the field margin. The sum of the anatomic sites exceeds 100% to account for simultaneous recurrences.