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Table 1 Baseline clinical and pathological characteristics of the 24 patients enrolled in the study

From: Clinical implications of repeated drug monitoring of imatinib in patients with metastatic gastrointestinal stromal tumour

Characteristic Number (%)
Gender
 Female 8 (33)
 Male 16 (67)
Primary tumour site
 Stomach 8 (33)
 Small bowel 13 (54)
 Rectum 2 (8)
 Unknown 1 (4)
Histological subtype
 Spindle cell 17 (71)
 Epitheloid 1 (4)
 Mixed 3 (13)
 ND 3
Mutation analysis
 KIT exon 11 18 (75)
 KIT exon 9 2 (8)
 PDGFRA exon 12 1 (4)
 Mutations not detected 2 (8)
 ND 1
Metastatic site
 Liver 13 (54)
 Intraperitoneal cavity 7 (29)
 Liver + intraperitoneal cavity 3 (13)
 No metastasis (inoperable primary tumour) 1 (4)
  1. ND not determined