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Table 4 Site of relapse for patients with primary 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)

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

1

Partly inside the primary tumor volume

N

71.0

2

Outside the primary tumor volume and elective lymph node volume

Y

27.0

3

Partly inside the primary tumor volume

Y

67.0

4

Partly inside the primary tumor volume and elective lymph node volume

Y

67.0

5

Partly inside the primary tumor volume

N

43.0

6

Fully inside the primary tumor volume

N

69.0

7

Partly inside the elective lymph node volume

Y

50.0

8

Fully inside the primary tumor volume

N

68.0

9

Partly inside the elective lymph node volume and touches the primary tumor volume

N

64.0

10

Partly inside the primary tumor volume and elective lymph node volume

N

70.0