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Table 1 Clinicopathologic characteristics of gastrointestinal tumors (GISTs)

From: Clinicopathologic features and prognostic grouping of gastrointestinal stromal tumors (GISTs) in Pakistani patients: an institutional perspective

Characteristic Frequency (%)
Gender
 Male 32 (61.5%)
 Female 20 (38.51%)
Age (years)
 Mean 53.4 (18–71 years)
 Age groups (years)
  < 30 3 (5.8%)
  31–50 18 (34.61%)
  > 50 31 (59.6%)
Primary/metastatic
 Primary 48 (92.3%)
 Metastasis 4 (7.74%)
Site
 Stomach 30 (57.7%)
 Small intestine 10 (19.2%)
 Large intestine 08 (15.4%)
 Liver 04 (7.7%)
Size (cm)
 Mean 9.4 (2–16)
 Size groups (cm)
  < 2 1 (1.9%)
  2–5 6 (11.5%)
  5–10 20 (35.5%)
  > 10 22 (42.3%)
Morphology
 Spindle 39 (75%)
 Eptheloid 4 (7.5%)
 Mixed 9 (17.3%)
Grade (mitotic activity)
 Low grade (< 5/50HPFs) 23 (44.2%)
 High grade (> 5/50HPFs) 29 (55.8%)
Necrosis
 Present 10 (19.2%)
 Absent 42 (80.8%)
Prognostic groups
 Very low risk 5 (9.63%)
 Low risk 11 (21.2%)
 Moderate risk 5 (9.6%)
 High risk 28 (53.8%)