Need help from tree doc.?

Question:Need help from tree doc.?
theres an oak tree in our field that is over 150 y.o.it has Poison Ivy on it that i cut back ever fall.today i at the lower part of the trunk i found some rot,its about 1/2 " dept. 1' long and 8"wide.can this tree be saved?

Answers:
call your local tree care specialists. They can come take a look and give you an estimate. It's usually free for them to look. Take a gander in the yellow pages.