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Table 1 The clinical characteristics of thoracic ESCC patients (n=39)

From: Three-dimensional conformal radiation for esophageal squamous cell carcinoma with involved-field irradiation may deliver considerable doses of incidental nodal irradiation

Location

Upper

Middle

Lower

Number

12

15

12

Length (cm)

6.75 (3.0-9.9)

7.5 (4.5—12.0)

5.9 (2.0—9.0)

Volume (cm3)

17.9 (4.0-74.4)

25.8 (9.0—83.5)

15.5 (2.4—105.0)

T stage

   

T1-3

8

11

10

T4

4

4

2