The case study selected for this paper is the implementation of the Lean method at the University of Michigan Health System $($UMHS$).$ Write a four$-$ to six$-$page paper in which you describe how an organization navigates the task of changing from traditional ways of operating to operating with fewer resources $($using the lean method$).*$ Be sure to address at least six of the following in your paper: $*$ Operations management $*$ Six Sigma methodology $*$ Main characteristics of lean $*$ Four building blocks of a lean production system $*$ Benefits and risks of a lean production system $*$ Lean improvement tools $*$ The need for quality control and the PDSA cycle $*$ Key decisions in project management $*$ Product life cycle $*$ PERT$/$CPM techniques