YES MY BROTHER 63 Y/O HAS LOST CONTROLLED TO HIS

YES MY BROTHER 63 Y/O HAS LOST CONTROLLED TO HIS UPPER EXTREMITES AND HAS LOST MUSCLE CANNOT LIFT OR EVEN MOVE HIS ARMS ANY MORE LOWER EXTREMITES INTACT NO PROBLEM . MENTALLY ALERT NO LOSS OF BLADDER FUNCTION TOTAL CONTROL. MD THOUGHT IT WAS ALS BUT STATED THAT IT USUALLY STARTS IN THE LOWER EXTREMITIES.HAD SECOND
OPINION AND IT APPEARS TO BE A MYSTERY MD'S DONT KNOW OR CANT DX THIS PROBLEM. NEVER USED ETOH NO DRUG USE .DID HAVE SOME LIPOMAS REMOVED FROM UPPER CHEST IN THE PASSED.ANY THOUGHTS PLEASE?