What Tests Should Be Done for Right Abdominal Discomfort?

Experiencing right abdominal discomfort, headache upon waking up, dry mouth and tingling tongue, weakness in both legs, upper abdominal pain between the ribs, a palpable lump upon pressure, stools with undigested vegetable leaves, and rumbling stomach. Previous ultrasound of the liver and gallbladder was normal. What tests should be done?
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