1837
The cellular and molecular mechanisms by which a tumour cell undergoes metastasis to a predetermined location are largely unknown .
 Anatomy: cellular; Anatomy: tumour cell
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: cellular; Anatomy: tumour cell