Elephantitis rarely affects both the legs. He is likely suffering from recurrent increase in waterlogging in his body. If he needed repeated hospital visits for this problem then ask your doctor to refer to the kidney
doctor. Ask the kidney doctor whether he will be healthier, happier with once daily or once every alternate day single-exchange peritoneal dialysis
. You will be pleasantly surprised with the results of the treatment. Good Luck.
Life expectancy is few years [1-5 years]