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Table 1 Patient characteristics

From: Lymph node enlargement after definitive chemoradiotherapy for clinical stage I esophageal squamous cell carcinoma

Number of patients

55

Gender male/female

49/6

Age, median [range] (yrs)

66 [49–82]

Performance status, 0/1/2

55/0/0

Tumor main location

 

Upper thoracic

7

Middle thoracic

34

Lower thoracic

14

Inactive multiple cancers in other organ

 

no/yes

50/5

Median follow-up period [range] (months)

46 [2–83]