Skip to main content

Table 1 Patient and tumor characteristics

From: Effectiveness of salvage radiotherapy for superficial esophageal Cancer after non-curative endoscopic resection

CharacteristicsNo. of patients (%)
Age (years)
 Range53–85
 Median67
Sex
 Male34 (92)
 Female3 (8)
Performance status score
 0–134 (92)
 2–33 (8)
History of double cancer
 Yes16 (43)
 No21 (57)
History of heart disease
 Yes9 (24)
 No28 (76)
Histology
 Squamous cell carcinoma37 (100)
Tumor location
 Cervical1 (3)
 Upper thoracic5 (13)
 Middle thoracic23 (62)
 Lower thoracic or Esophagogastric junction8 (22)
Tumor length (cm)
 Range0.8–10
 Median3
Circumference
  < 3/425 (67)
  ≥ 3/44 (11)
 Entire4 (11)
 Unknown4 (11)
Methods of endoscopic resection
 EMR22 (59)
 ESD15 (41)
Depth of pathological invasion
 Muscularis mucosae14 (38)
 Submucosal layer22 (59)
 Muscularis propria1 (3)
Resection margin
 Negative10 (27)
 Positive17 (46)
 Non-assessable6 (16)
 Unknown4 (11)
  1. EMR endoscopic mucosal resection, ESD endoscopic submucosal dissection