748
Dermatofibrosarcoma protuberans ( DFSP ) displays chromosomal rearrangements involving chromosome 17 and 22 , which fuse the collagen type Ialpha1 ( COLIA1 ) gene to the platelet - derived growth factor ( PDGF ) B - chain ( PDGFB ) gene .
 Dermatofibrosarcoma protuberans, DFSP
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease 
Text: {0} 
Answer:
 Dermatofibrosarcoma protuberans, DFSP