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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]