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Table 6 Patient treated with primary RT; recurrence volume size, recurrence site, overlap volume size, epicenter dose and distance between epicenter in GTVr and GTVp

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

Case No. Recurrence volume (ccm) In-field Marginal Out-of- field Overlap size (ccm) Epicenter dose (Gy) in GTVr/GTVp and distance (cm)
1 6.5 X    4.0 71.4/70.2, 0.9
2 17.4    X 0.0 34.4/60.0, 5.2
3 73.7 X    17.1 69.2/71.2, 3.7
4 44.3 X    23.8 72.8/71.6, 1.7
5 76.0 X    18.3 56.2/61.5, 1.8
6 74.7 X    15.8 71.5/71.6, 0.4
7 41.1   X   0.0 54.7/72.4, 4.5
8 15.6 X    15.0 67.8/66.7, 3.0
9 46.4 X    7.3 70.5/71.2, 4.2
10 14.2 X    7.3 70.2/68.8, 2.8