800
More importantly , in rat xenotransplant models of non - small cell lung cancer and breast cancer , we show effective inhibition of angiogenesis and tumor perfusion in vivo , assessed by contrast - enhanced ultrasonography , nuclear imaging techniques and histology .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None