post stroke mri

The case background;
I had stroke 2 years ago, 10 days latter- mri followed by second mri 2 years latter. Recovered very well after 2 years of very very intense rehab. I biked 10000km in last 12 months, read 5 books a week to increase speed of thinking.
second mri; "prevvious noted frontal and pariel cerbral white matter signal abnormalies- more extensive on the right have progresses. spring of overlying cortex. lesions are confluent, multifocal but mostly coalesing. no definitive posterior fossa involvement. evidence of some accute diesease in right fronttoparietal convexity on difussusion weighted scans extending to corona right side. relative sparing of corpus callosum, and temporal lobes. pericaosal regions involved.
woseening of white matter disease suspicous of deyeination disese (disease).
WHAT DOES THIS ALL MEAN?  IM VERY WORRIED and specialist is very hard to see

[ccanadx]

I am 62 male