Acute cholecystitis.
D000005:Abdomen; D000006:Abdomen, Acute / Q000175:diagnosis*; D002764:Cholecystitis / Q000175:diagnosis*; D041881:Cholecystitis, Acute; D003937:Diagnosis, Differential; D006801:Humans
ABDOMEN, ACUTE/differential diagnosis; CHOLECYSTITIS/differential diagnosis