Table 1. Steatosis grading via ultrasound.

Ultrasound grading with descriptions of liver parenchyma and vessel appearance [71]

Score	Steatosis	Description of fatty infiltration in the liver	Visualization
0	Absent	Normal echotexture of the liver	Normal visualization of the portal vein wall
1	Mild	Slight/diffuse increase in liver echogenicity	Normal visualization of the portal vein wall
2	Moderate	Increase in liver echogenicity	Slightly impaired appearance of the portal vein wall
3	Severe	Increase in liver echogenicity	Poor/no visualization of the portal vein wall and posterior part of the right liver lobe