The death Saturday of a Park City man refused eligibility for a lung transplant at the University of Utah after doctors found a trace of marijuana in his system is sparking debate on hospital policies. A leading national expert on transplantation said Monday that with the changing U.S. climate surrounding medical and recreational marijuana, transplant centers need to re-evaluate âand try to come to some reasonable judgments on the risk of marijuana use and the benefits of transplantations.â Near... <iframe src="http://www.sltrib.com/csp/mediapool/sites/sltrib/pages/garss.csp" height="1" width="1" > </frame>