United Airlines: How do I cancel a flight due to a medical issue?

I need to cancel a flight leaving tomorrow morning due to medical reasons. is it possible to get a reimbursement even partial if I send you the medical cerificate?
ETA:29 minutes·4 steps
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For medical reimbursement you will need to speak to the United Airlines customer service rep but I attached the link to the policy so you can get a better understanding of what you need to do - https://www.united.com/web/en-US/apps/reservation/...
To cancel your recent purchase you must call the number provided. Note: Cancellation for 100% of the refund must be within 24 hours of purchase.
call United Airlines here to request a full refund
I hope this helps!
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