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In 1983 , Harold Dvorak and his colleagues were the first to show that tumor cells secreted vascular permeability factor ( VPF ) and that a blocking antibody to VPF could prevent the edema and fluid accumulation that is characteristic of human cancers .
 Anatomy: tumor cells; Anatomy: edema; Anatomy: fluid; Anatomy: cancers
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
 Anatomy: tumor cells; Anatomy: edema; Anatomy: fluid; Anatomy: cancers