A 42-year-old woman comes to the physician one week following an appendectomy. Physical examination shows mild scleral icterus. Laboratory studies show:
Hemoglobin 13.0 g/dL
Direct bilirubin 0.1 mg/dL
Indirect bilirubin 2.5 mg/dL
ALT 30 IU/L
AST 28 IU/L
Which of the following is the most likely explanation for these findings?
Cholelithiasis
Crigler-Najjar syndrome
Dubin-Johnson syndrome
Gilbert syndrome
Surgical bile duct trauma
