16th February 2024

A 45-year-old female presents with right upper quadrant pain and jaundice.

A 45-year-old female presents with right upper quadrant pain and jaundice. The pain was colicky and appeared worse after food intake. Blood tests showed raised bilirubin, ALP, amylase and lipase. Ultrasound reveals a hyperechoic lesion that casts an acoustic shadow along with dilated pancreatic and hepatic ducts. She is not an alcoholic. 

Given the likely cause of her symptoms, which structures are obstructed?