All of the following preclude expectant outpatient management in the case of an ingested button battery found by imaging to be in the stomach except:

A. Co-ingestion of a magnet

B. Child complains of abdominal pain

C. Child has history of constipation

D. Battery is > 15mm diameter and has been present > 4 days in a child < 6 years old

E. N/A; ingested batteries should always be endoscopically removed