The ultrasound is mostly normal, including the liver, gallbladder, pancreas, kidneys, spleen, urinary bladder, prostate, and appendix. No kidney stones, gallstones, bile-duct dilatation, fluid in abdomen, or hydronephrosis were seen.

Main finding:
There is a large thick-walled fluid-filled cystic lesion in the right upper abdomen (right hypochondrium), measuring about 13.1 × 6.7 × 8.1 cm with an estimated volume of 331 cc.

The radiologist thinks it may be:

This is not a final diagnosis. The report advises follow-up / further evaluation and correlation with symptoms. Please show it promptly to a general surgeon or gastroenterologist. They may recommend a contrast CT scan or MRI to determine exactly where it arises and plan treatment.

Seek urgent care if there is severe or worsening abdominal pain, vomiting, fever, abdominal swelling, inability to pass stool/gas, fainting, or blood in stool/vomit.