evidence: Thursday afternoon, Wiles got two calls from McLaren. She said she was told all three appointments had been canceled, and she said, the health system will be unable to reschedule until its computer systems are back up and functional. [...] A cybersecurity breach in May that struck all 140 Ascension hospitals in the U.S., including in Michigan, forced the Catholic, nonprofit health system to postpone or cancel some appointments, divert ambulances to other hospitals and cut off electronic access to medical records, lab test results, radiology imaging and even impaired the ability for doctors to issue medical orders.