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Table 3 Recurrence rates and sites in patients with different radiotherapy mode

From: Postoperative radiotherapy for completely resected Masaoka stage III thymoma: a retrospective study of 65 cases from a single institution

RT mode

No.of patients

No. of IFR (%)

No. of OFR (%)

First recurrence sites (%)

PL

MS

CW

Lung

DP

Dose

        

≤ 50 Gy

20

1 (5)

5 (25)

3 (15)

1 (5)

1 (5)

1 (5)

1 (5)

> 50Gy

31

1 (3.2)

4 (12.9)

2 (6.4)

1 (3.2)

1 (3.2)

0

0

Technique

       

0

Conventional RT

25

1 (4)

8 (32)

4 (16)

2 (8)

2 (8)

1 (3.6)

1 (3.6)

3D-CRT/IMRT

28

1 (3.6)

1 (3.6)

1 (3.6)

0

0

0

0

  1. RT indicates radiotherapy; 3D-CRT/IMRT, three dimensional conformal radiotherapy or intensity modulated radiotherapy; IFR, in-field recurrence; OFR, out-field recurrence; PL, pleura; MS, mediastinum; CW, chest wall; DP, diaphragm.