1957
Since other DNA tumor viruses , such as simian virus 40 and adenovirus , have previously been shown to interact with cellular protein p53 , we investigated whether infection of cells by HCMV would modulate cellular p53 levels .
 Anatomy: tumor; Anatomy: cellular; Anatomy: cells; Anatomy: cellular
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; Anatomy: cellular; Anatomy: cells; Anatomy: cellular