So I got this lens from a friend who exposed it to too much light in order to clear the yellowish tint... the yellowish tint did go away but some spots appeared on the glass elements - in the front glass element they look like "blooming" and in the back glass element they look like stains.

See the attached photos.

My questions are:
1) how will these spots affect my image? I haven't tried the lens yet.
2) are they removable and if so, how do I remove them? If I take them to a local lens repairman, can he do anything?

I would be thankful on any replies on this matter... it's a nice lens and it is a shame to throw it away.