My Grandmother Is 69 Years Old And Two Weeks Ago

My grandmother is 69 years old and two weeks ago her left leg started tingling really bad and went numb she could still move it and walk on it. Well two Tuesdays ago she was admitted into the hospital that night she had a very bad leg cramp storm hit her. She can not move her left leg now and she can not use the restroom her self she is number from chest bone down she can move her right leg and has a little feeling in it but she can not walk or anything what could it be?