673
We have , therefore , measured the mRNA level of VEGF - B and VEGF - C together with their receptors by RNase protection assay ( RPA ) in 26 normal kidney samples and 45 renal cell cancers .
 Anatomy: kidney samples; Anatomy: renal cell 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: kidney samples; Anatomy: renal cell cancers