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Table 1 Characteristics of the patients who were registered in the study

From: Optical biopsy for esophageal squamous cell neoplasia by using endocytoscopy

Sex, male/female 167/30
Age (years), Median (range) 73 (55–90)
After endoscopic resection for ESCC 169
After treatment for HNSCC 80
Referral cases (without biopsy) 9
  1. ESCC esophageal squamous cell carcinoma, HNSCC head and neck squamous cell carcinoma
  2. Sixty one patients were duplicated