A 57-year-old patient with a history of lung cancer presents for an abdominal ultrasound. Describe the mass seen in these images. How is the mass distinguished from a liver or renal mass? Where is the...

A 57-year-old patient with a history of lung cancer presents for an abdominal ultrasound. Describe the mass seen in these images. How is the mass distinguished from a liver or renal mass? Where is the mass located in relation to the right kidney? Where else in the abdomen would you focus your examination after identifying this mass?