Paul L. Nguyen, MD, on Prostate Cancer: Active Surveillance 
    		2017 Genitourinary Cancers Symposium
    	
    	
    	
    
        Paul L. Nguyen, MD, of the Dana-Farber Cancer Institute, summarizes a session he co-chaired, which included discussion of Canadian vs U.S. guidelines; ProtecT; genomic and hereditary tests; and imaging to guide active surveillance. (General Session 1)
    
    
    
    
       
       
    		
		
		
        
		
		
		
		Joshua Armenia, PhD, of Memorial Sloan Kettering Cancer Center, discusses new information that is changing the understanding of prostate cancer, including the identification of a new subclass, which represents 21% of cases, and the discovery of recurrently mutated cancer pathways not previously implicated in prostate cancer (Abstract 131).
			
			
     	
    
       
       
    		
		
		
        
		
		
		
		Guru Sonpavde, MD, of the UAB Comprehensive Cancer Center, discusses his study on circulating tumor DNA alterations in metastatic castration-resistant prostate cancer and the therapeutic direction the data suggest. (Abstract 149)
			
			
     	
    
       
       
    		
		
		
        
		
		
		
		Sumanta K. Pal, MD, of the City of Hope, discusses the evolution of circulating tumor DNA profile from first-line to second-line therapy in metastatic renal cell carcinoma. (Abstract 434)
			
			
     	
    
       
       
    		
		
		
        
		
		
		
		Charles G. Drake, MD, PhD, of Columbia University Medical Center, summarizes his keynote lecture on immunotherapy as a new frontier in prostate cancer and its synergistic use with traditional treatments.
			
			
     	
    
       
       
    		
		
		
        
		
		
		
		Brian C. Allen, MD, of Duke University Medical Center, discusses the benefits of using a computerized process that provides step-wise guidance, decreases interpretation time, and reduces errors when measuring tumor response to treatment. (Abstract 432)