1441
In 20 RCC patients , serum samples were obtained separately from the bilateral renal veins .
 Anatomy: RCC; Anatomy: serum samples; Anatomy: bilateral renal veins
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
 Entities: RCC, serum samples, bilateral renal veins 
Answer:
 Anatomy: RCC; Anatomy: serum samples; Anatomy: bilateral renal veins