; (B) 3 years after the date the medical or health care treatment that is the subject of the claim is completed; or (C) 1 year after the claimant discovers, or through the use of reasonable diligence should have discovered, the injury. (2) Tolling In no event shall the time for commencement of a health care lawsuit exceed 3 years after the date of the occurrence of the breach or tort or 3 years after the date the medical or health care treatment that is the subject of the claim is completed (whichever occurs first) unless tolled for any of the following— (A) upon proof of fraud; (B) intentional concealment