3406
The 20 deaths , 52 hemorrhagic and thromboembolic complications , and 21 surgical procedures to manage the complications confirm the seriousness of the disorder .
 Disease: hemorrhagic and thromboembolic complications
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Disease: hemorrhagic and thromboembolic complications