1941
Tumors of H4 cells were well perfused , unlike tumors of H5 cells which were highly necrotic .
 Anatomy: Tumors; Anatomy: H4 cells; Anatomy: tumors; Anatomy: H5 cells
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: Tumors; Anatomy: H4 cells; Anatomy: tumors; Anatomy: H5 cells