June 21, 2012 12:00 AM

In Houston, high rates of uninsured burden public system

Last year, Luis Duran drove almost 200 miles to San Antonio to have a colonoscopy because he didn’t want to wait six months for an opening at a county clinic. A few days later, the doctor in San Antonio – a friend of a friend who’d performed the screening for free – called to break the news that Duran, 51, had advanced colon cancer and needed immediate surgery.

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