BetaEntity Annotation Prototype
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Annotated abstract

Ring around the gallbladder

bmj · 2026-07-09 · canonical JSON source

2 visible annotations · policy: published · automated confidence ≥ 75.00%

Document resource

A woman in her 80s presented with a two day history of constant right upper quadrant pain and fever. She had a history of diabetes mellitus and hypertension.