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Table 1 Clinical-pathologic profiles of the esophageal squamous cell carcinoma cases in this study

From: Methylation of RASSF1A gene promoter and the correlation with DNMT1 expression that may contribute to esophageal squamous cell carcinoma

Clinical-pathologic features

Number of cases

Gender

Male

72

Female

28

Age (year)

Median

63.4

Range

42 to 74

Tumor site

Upper

12

Midpiece

74

Lower

14

Histological types

Squamous cell carcinoma

100

Differentiation

Moderate

82

Poor

18

Follow-up 27 (3 years)

Survival

86

Deceased

14

TNM stage

0

2

I

11

IIa

37

IIb

39

III

9

IV

2

  1. TNM, tumor node metastasis.