"The Okuda staging system was an advance on earlier hepatocellular (HCC) staging classifications, in that it incorporated both cancer-related variables and liver function related variables to determine prognosis 1:"
Line 1:91·'HCC' has no definition. Spell it out if it's unfamiliar to the audience.
Biographical Lifespan
suggestion
"History and etymology"
Line 15:1·A bold element in the History and etymology section should be a person; it would be useful to have their lifespan details: '<h4>History and etymology</h4> <p>The staging classification was published by <strong>K Okuda</strong><strong> et al</strong> '