The Karmanos Cancer Institute , the world renowned cancer center based in Detroit, for the first time since joining McLaren Health Care in 2014 has become the preferred cancer treatment provider in Michigan. A subsidiary of McLaren, the three-state, 14-hospital health system, the Karmanos Cancer Network of treatment facilities stretches across the state, from Petoskey to Detroit, and recently expanded into Ohio. In a poll conducted by NRC Health, 11.4 percent of statewide respondents named Karmanos and ...