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Table 1 Patient, tumor, and fiducial marker implantation characteristics

From: Microscopic tumor spread beyond (echo)endoscopically determined tumor borders in esophageal cancer

 N = 32 (%)Microscopic tumor beyond EDTB N = 5 (%)
Patient characteristics
 Gender
  Female11 (34)1 (20)
  Male21 (66)4 (80)
 Age (years)
  < 605 (16)1 (20)
  > 6027 (84)4 (80)
Tumor characteristics
 Clinical T-classification
  cT12 (6)1 (20)
  cT215 (47)3 (60)
  cT315 (47)1 (20)
  cT400 (0)
 Clinical N-classification
  cN018 (56)3 (60)
  cN110 (31)2 (40)
  cN34 (13)0 (0)
 Histology
  Adenocarcinoma24 (75)4 (80)
  Squamous cell carcinoma8 (25)1 (20)
 Location
  Mid-thoracic6 (19)1 (20)
  Distal19 (59)3 (60)
  GEJ7 (22)1 (20)
 Cardiac involvement
  Yes13 (41)2 (40)
  No19 (59)3 (60)
Implantation characteristics
 Technique
  EUS10 (32)1 (20)
  Endoscopy19 (59)3 (60)
  Combination3 (9)1 (20)
 Fiducial on EDTB?
  Yes26 (81)4 (80)
  No6 (19)1 (20)
  1. Patient without fiducial markers on pre-operative imaging excluded from table
  2. Abbreviations: EDTB (echo)endoscopically determined tumor border, GEJ Gastroesophageal junction, EUS Echo-endoscopy