I don't know , maybe they extend or ask you for new medical exam
check your online account if your medical status is still PASSED or it changes
From here: https://clegc-gckey.gc.ca/j/eng/l?ReqID=s2c4e17e64f23ca7eb5819fd5c0ff5a502b7c71866
or talk to your lawyer to check your medical status in...