Third lump removal, is it possible?

My cat has had 2 removal in about 18months and now has a large 3rd lump again (like a pingpong ball).  We know it's fibrosarcoma and don't want to put her through the very deep tissue surgery and radiation that seems to be the only remedy offered, but with only a 1 year prolonging of her life span chance, it seems like an awful choice. Has anyone tried to just remove the lump (not going deep) one more time, or is it just going to cause trauma for her to no avail?

[opus88]

i'm afraid I can't really answer your question for you...maybe other members have some experience with this and can help.
one thing I would like you to do some reading on and talk to your Vet about is neoplastine treatment...I will send you the site.
this is injected into the tumor so its much less invasive than surgery. the Vet on this site works over the phone with your own Vet...I'm afraid I have no idea what it costs but I have read that it has very positive results.
read the site and send it to your Vet for their thoughts...worth a phone call.
best of luck to you both ♥

http://www.buckmountainbotanicals.net/index.html