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Table 1 Clinical characteristics of the 40 patients with nasopharyngeal carcinoma (NPC)

From: Dosimetric benefit to organs at risk following margin reductions in nasopharyngeal carcinoma treated with intensity-modulated radiation therapy

Characteristic

No. of patients (%)

Age (years)

Ā 

ā€ƒMedian

46

ā€ƒRange

21ā€“63

Sex

Ā 

ā€ƒMale

32 (80.0)

ā€ƒFemale

8 (20.0)

Histology

Ā 

ā€ƒWHO I

0 (0)

ā€ƒWHO II/III

40 (100.0)

T categorya

Ā 

ā€ƒT1

7 (17.5)

ā€ƒT2

9 (22.5)

ā€ƒT3

15 (37.5)

ā€ƒT4

9 (22.5)

N categorya

Ā 

ā€ƒN0

10 (25.0)

ā€ƒN1

23 (57.5)

ā€ƒN2

6 (15.0)

ā€ƒN3

1 (2.5)

Clinical stagea

Ā 

ā€ƒI

5 (12.5)

ā€ƒII

10 (25.0)

ā€ƒIII

15 (37.5)

ā€ƒIV

10 (25.0)

Chemotherapy

Ā 

ā€ƒNo

8 (20.0)

ā€ƒYes

32 (80.0)

  1. aAccording to the 7th American Joint Committee on Cancer (AJCC) staging system. WHO, World Health Organization.