750
OBJECTIVES : To evaluate the toxicity and activity of thalidomide in patients with advanced metastatic renal cell cancer and to measure changes of one angiogenic factor , vascular endothelial growth factor ( VEGF ) 165 , with therapy .
 Disease: toxicity; Chemical: thalidomide; Disease: renal cell cancer
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: toxicity; Chemical: thalidomide; Disease: renal cell cancer