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Table 1 Patient demographics

From: Generation of orthotopic patient-derived xenografts from gastrointestinal stromal tumor

  Number
Age  
  Mean 62 years
  Range 46 – 72 years
Gender  
  Male 2
  Female 1
Location of primary tumor  
  Stomach 0
  Small bowel 3
   Duodenum 1
   Jejunum 1
   Ileum 1
Presentation  
  Abdominal pain 2
  Bleeding 1
  Recurrence/metastasis on CT scan 1
Previous imatinib therapy  
  Yes 1
  No 2
Primary tumor size  
  Mean 19.2 cm
  Range 6.5 – 38.0 cm
Mitotic index (mitoses per 5 mm 2 )  
  Mean 32.7
  Range 10 – 65
Peritoneal metastases  
  Yes 2
  No 1
KIT exon mutational analysis  
  Exon 9 2
  Exon 11 1
  Exon 13/14 0
  Exon 17/18 0