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Table 2 Grading the severity of each parameter using Kleiner’s score[1]

From: Effect of preoperative chemotherapy on postoperative liver regeneration following hepatic resection as estimated by liver volume

    Score
Steatosis Grade <5% 0
5–33% 1
33–66% 2
>66% 3
Location Zone 3 0
Zone 1 1
Azonal 2
Panacinar 3
Microvesicular steatosis Not present 0
Presented 1
Fibrosis stage   None 0
Perisinusoidal or periportal 1
Perisinusoidal and periportal/periportal 2
Bridging fibrosis 3
Cirrhosis 4
Inflammation Lobular inflammation No foci 0
<2 foci per 200× field 1
2–4 foci per 200× field 2
>4 foci per 200× field 3
Liver cell injury Ballooning None 0
Few balloon cells 1
Many cells/ prominent ballooning 2
Acidophil bodies None to rare 0
Many 1
Pigmented macrophages None to rare 0
Many 1
Other findings Mallory's hyaline None to rare 0
Many 1
Glycogenated nuclei None to rare 0
   Many 1