What is the definition or description of: right sided abdominal mass?

Abnormal structure: This means there is something abnormal on a physical exam (doctor can feel the abnormality) or something seen on an imaging study, such as an Xray or CT scan. This abnormality occupies space, it has physical dimensions, unlike something like an abnormal blood test. Many possible causes, fluid collection, intestine distended with gas, most serious would be a cancer.