3549
Synthetic vascular prostheses are foreign bodies , so that blood coagulation can occur on their luminal surfaces , causing graft occlusion very frequently in prostheses of small diameter .
 Anatomy: vascular; Anatomy: blood; Anatomy: luminal surfaces; Anatomy: graft
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: vascular; Anatomy: blood; Anatomy: luminal surfaces; Anatomy: graft