Suggest Treatment For Radial Nerver Damage

DR. MY MOTHER HAD AN SMALL ACCIDENT 2 MONTHS BACK AND HER INJURY WAS SHOULDER DISLOCATION AND SOME ARM BONE CREAKS DR S DONE SMALL OPERATION AT “HIHT”, JOLLYGRANT DEHRADUN UTTARAKHAND INDIA AND INSERT A IMPORTED PLATE ON RIGHT ARM TO SUPPORT SHOULDER AND NOW THE SHOULDER IS LITTLE BIT OK BUT FINGERS AND THUMB IS HAVING VERY SMALL MOVEMENT ONE DR ADVISE HER TO DO RADIAL NURVE TEST, WE DONE THE TEST AND THE REPORT SHOWS FOR RIGHT ARM REDIAL NURVE 80% DAMAGE. MY QUESTION IS, IS THEIR ANY WAY TO GET HER REDIAL NURVE BACK…… PLEASE REPLY…. MY ID IS YYYY@YYYY