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Table 1 Patient characteristics

From: Dosimetric comparison and biological evaluation of fixed-jaw intensity-modulated radiation therapy for T-shaped esophageal cancer

Characteristics

Value

Age (year)

 

Median

62

Range

46–75

Gender (n)

 

Male

28

Female

7

T stage (n)

 

T2

8

T3

27

N stage (n)

 

N0

11

N1-3

24

Length of PTV (cm)

 

Mean

18. ± 2.3

Range

10.5–24

Length of PTV-Cinferior (cm)

 

Mean

12.1 ± 2.5

Range

4.5–19

  1. PTV, Planning target volume; PTV-Cinferior, the part of the PTV-C below the upper boundary of lung tissue