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Table 5 Site of relapse for patients treated with postoperative RT

From: Patterns of local-regional recurrence after conformal and intensity-modulated radiotherapy for head and neck cancer

Case No.

Site of relapse

Location of relapse in lymph node (yes = y or No = N or partly = P)

Total relapse dose (Gy) as a result of first RT

11

Relapse in a lymph node partly inside the elective lymph node volume and the other lymph node outside the elective lymph node volume and the primary tumor volume

Y

44.0 and 45.0

12

Partly inside the primary tumor volume

N

52.0

13

Fully outside the primary tumor volume and elective lymph node volume

Y

15.0

14

Partly inside the elective lymph node volume

Y

20.0

15

Fully inside the primary tumor volume

N

66.0

16

Partly inside the elective lymph node volume and primary tumor volume

N

60.0

17

Relapse in one lymph node volume partly inside the elective lymph node volume and another lymph node fully inside the elective lymph node volume

Y

9.0 And 47.0

18

Fully inside the elective lymph node volume

Y

59.0

19

Partly inside the elective lymph node volume

Y

60.0

20

Fully inside the elective lymph node volume

Y

38.0

21

Fully inside the elective lymph node volume

Y

45.0

22

Partly inside the primary tumor volume

N

66.0

23

Outside the elective lymph node volume and primary tumor volume

Y

2.0

24

Partly inside the primary tumor volume

N

50.0

25

Outside the elective lymph node volume and primary tumor volume

Y

9.0

26

Fully inside the elective lymph node volume and also touches the primary tumor volume

Y

41.0