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Histopathological examination revealed many lipophages in the periorbital fat surrounding the optic nerve in 1 eye , indicative of phagocytosis of previously existing fat cells and suggesting prior fat necrosis .
 Disease: necrosis
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Disease: necrosis