Thanks for writing to HCM
You didn't mentioned your age.
T2 hyper intensity in white matter
of right frontal region may be due to age related and generally it is due to ischemic changes.
Ischemic changes may be due to hypertension
You have single lesion and it is non significant in your case.
If it would be more in number then certainly it would need detailed workup and medication.
If you have hypertension then you should keep it in normal level.
Get well soon.