1. Elderly Woman With Vomiting
Cheng-Han Chen, MD, David Hung-Tsang Yen, MD, PhD 
Annals of Emergency Medicine 
Volume 71, Issue 1, Pages e3-e4 (January 2018)
DOI: /j.annemergmed
Copyright © 2017 American College of Emergency Physicians Terms and Conditions

2. Figure 1
CT of the abdomen (coronal view) showing a dilated common bile duct (red arrow) and mechanical bowel obstruction caused by an ectopic gallstone located in the lumen of ileum (blue arrow).
Annals of Emergency Medicine  , e3-e4DOI: ( /j.annemergmed )
Copyright © 2017 American College of Emergency Physicians Terms and Conditions

3. Figure 2 CT of the abdomen (axial view) showing pneumobilia (arrow).
Annals of Emergency Medicine  , e3-e4DOI: ( /j.annemergmed )
Copyright © 2017 American College of Emergency Physicians Terms and Conditions

4. Figure 3
Abdominal radiograph showing a gallstone in the patient’s descending colon (arrow).
Annals of Emergency Medicine  , e3-e4DOI: ( /j.annemergmed )
Copyright © 2017 American College of Emergency Physicians Terms and Conditions

5. Figure 4 The extracted gallstone, with dimensions 2.5×1.8×1.5 cm.
Annals of Emergency Medicine  , e3-e4DOI: ( /j.annemergmed )
Copyright © 2017 American College of Emergency Physicians Terms and Conditions