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Table 2 Distribution of gastrointestinal stromal tumors by age groups and locations, Taiwan, 1998–2008

From: The epidemiology of gastrointestinal stromal tumors in Taiwan, 1998–2008: a nation-wide cancer registry-based study

Location 1998-2001
  Age (years)
  <50 N = 178 50 to < 60 N = 120 60 to < 70 N = 176 ≥ 70 N = 181
Stomach 86 (48.3%) 68 (56.7%) 95 (54.0%) 114 (63.0%)
Small intestine 78 (43.8%) 41 (43.8%) 66 (37.5%) 52 (28.7%)
Colon/rectum 12 (6.7%) 11 (9.2%) 15 (8.5%) 12 (6.6%)
Esophagus/othersa 2 (1.1%) 0 (0.0%) 0 (0.0%) 3 (1.7%)
  2002-2008
Location <50 N = 489 50 to < 60 N = 533 60 to < 70 N = 596 ≥ 70 N = 713
Stomach 210 (42.9%) 266 (45.0%) 320 (53.7%) 387 (54.3%)
Small intestine 206 (42.1%) 182 (34.2%) 192 (32.2%) 224 (31.4%)
Colon/rectum 36 (7.4%) 45 (8.4%) 40 (6.7%) 40 (5.6%)
Esophagus/othersa 37 (7.6%) 40 (7.5%) 44 (7.4%) 62 (8.7%)
  1. aOthers: retroperitoneum and unspecific sites.