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These findings demonstrate a requirement for VEGFR1 + haematopoietic progenitors in the regulation of metastasis , and suggest that expression patterns of fibronectin and VEGFR1 + VLA - 4 + clusters dictate organ - specific tumour spread .
 Anatomy: VEGFR1 + haematopoietic progenitors; Anatomy: VEGFR1 + VLA - 4 + clusters; Anatomy: organ; Anatomy: tumour
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: VEGFR1 + haematopoietic progenitors; Anatomy: VEGFR1 + VLA - 4 + clusters; Anatomy: organ; Anatomy: tumour