9365
Squamous cell carcinomas showed a variety of expression levels , while two undifferentiated spindle-shaped carcinomas and one undifferentiated SCC cell line remained unstained.
 ( cell line: SCC cell line, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( cell line: SCC cell line, None) 