Table 2.

Sites of gastrointestinal obstruction in patients with gallstone ileus. Adapted from Nuño-Guzmán et al. [4].

Duodenum	0–10.5%
Stomach	0–20%
Jejunum	0–50%
Jejunum/Proximal Ileum	0–50%
Ileum	0.89–5%
Colon	0–8.1%
Undetermined	0–25%