2603
GEM - P is a salvage chemotherapy with relatively high response rates , leading to successful transplantation in appropriate patients , in the treatment of relapsed or refractory HL .
 Chemical: GEM; Disease: HL
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:
 Chemical: GEM; Disease: HL