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Table 2 Failure patterns of patients treated with IMRT with and without replanning

From: Failure patterns of locoregional recurrence after reducing target volumes in patients with nasopharyngeal carcinoma receiving adaptive replanning during intensity-modulated radiotherapy: a single-center experience in China

Patterns of failure

Total (N = 274), n (%)

IMRT without replanning (N = 100), n (%)

IMRT with replanning (N = 174), n (%)

Locoregional recurrence

34 (12.4)

19 (19.0)

15 (8.6)

Local recurrence alone

22 (8.0)

12 (12.0)

10 (5.8)

Regional recurrence alone

10 (3.7)

7 (7.0)

3 (1.7)

Local and regional recurrence

2 (0.7)

0 (0)

2 (1.1)

Distant metastasis

45 (16.4)

17 (17.0)

28 (16.1)

Bone

18 (6.6)

6 (6.0)

12 (6.9)

Lung

19 (6.9)

8 (8.0)

11 (6.3)

Liver

13 (4.7)

4 (4.0)

9 (5.2)

Locoregional recurrence and distant metastasis

4 (1.5)

4 (4.0)

0 (0)

  1. IMRT = Intensity modulated radiation therapy