Plain and contrast-enhanced CT scans in the upper abdomen showed the following results: space-occupying lesions in the common hepatic duct and left hepatic duct indicative of cancer, obstructive dilation of the intrahepatic and extrahepatic bile ducts, thickening of the duodenal bulb, and postprandial gallbladder manifestations. Cardiac color ultrasound showed the following results: mild tricuspid regurgitation, decreased left ventricular diastolic function, and an ejection fraction of 59%. Pulmonary function tests yielded the following results: mild obstructive pulmonary ventilation dysfunction and a lung ventilation reserve volume of 92%. The patient had a prior history of being healthy with no diseases. Among his family members, his father had died of cardiac cancer.