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Table 2 Summary of treatment results

From: Treatment of esophageal tumors using high intensity intraluminal ultrasound: first clinical results

   1 week 1 month 3 months
Patient 1 Biopsies Positive in obstructive nodule Positive in obstructive nodule Positive in obstructive nodule
  Stricture reduction Obstruction: 10% Obstructive nodule at the upper part of the tumor Obstructive nodule at the upper part of the tumor
  Endoscopic aspect Necrosis on the whole length of the tumor Necrosis on 75% of the tumor No tumor progression
Patient 2 After the 3rd session of ultrasound Biopsies Positive in non necrotic areas Positive in non necrotic areas Not done
  Stricture reduction No obstruction No obstruction  
  Endoscopic aspect Proximal tumor: Complete necrosisDistal tumor: 90% necrosed Proximal tumor: No stenosis, complete necrosisDistal tumor: Infiltrating non-stenotic aspect  
Patient 3 Biopsies Control endoscopy was contra-indicatedNo dysphagia   
  Stricture reduction    
  Endoscopic aspect    
Patient 4 Biopsies Not documented Not documented Negative
  Stricture reduction Obstruction: 90% → 50%
Length: 2 cm → 1 cm
Obstruction: 50%
Length: 1 cm
Obstruction: 50% → 70%
Length: 1 cm
  Endoscopic aspect Large necrotic area on the whole length of the tumor Large necrotic area on the whole length of the tumor Large necrotic area on the whole length of the tumor