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Table 3 Classification of 20 out of the 28 recurrences volumes using method CTV, TV and COM

From: Assessment and topographic characterization of locoregional recurrences in head and neck tumours

 

Method

In-field

Marginal

Outfield

N

CTV-T (primary tumour)

CTV

1

9

0

10

TV

8

2

0

COM

8

1

1

CTV-N (large adenopathies)

CTV

0

3

0

3

TV

2

1

0

COM

3

0

0

CTV-N1 (high risk lymph nodes)

CTV

1

4

0

5

TV

2

3

0

COM

2

3

0

CTV-N2 (low risk lymph nodes)

CTV

0

2

0

2

TV

0

2

0

COM

1

1

0

  1. The remaining eight recurrences were classified as outfield by all evaluation methods.
  2. N is the number of cases in each category.