2180
The findings of this study suggest that lesions of the unilateral STN and GPi are equally effective treatment for patients with advanced PD refractory to medical treatment .
 Disease: PD
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: PD