Well there are more documented cases of histio amongst older people than tuberous sclerosis, let's start with that.
Or it's his immune system, histiocytosis.
It's moving too fast to be spreading. It has to be growing from something that's already-- Genetic disorder - tuberous sclerosis.
It's moving too fast to be spreading. It has to be growing from something that's already-- Genetic disorder - tuberous sclerosis. [SEP] Or it's his immune system, histiocytosis. [SEP] Well there are more documented cases of histio amongst older people than tuberous sclerosis, let's start with that.