[help] my dog has swollen lymph nodes and a weird mass below her eyes.

My dog, Boka, is a 9 year old terrier mutt. I've had her all except the first two weeks of her life (her mom did not feed her because she was the runt). What I assume are her lymph nodes (near where her front legs attach) are swollen. She also has two masses about an inch below each eye that leak puss. Every few weeks they will go away and then come back. She's kind of lethargic but still loves long walks and playing with her stuffed squirrel. This has been going on for some weeks and I did take her to the vet but she has a tendency to be feisty so the vet would not draw blood and basically turned us away and is the only vet near by because I live in the middle of nowhere. I'm deeply afraid that it is some sort of cancer, I love my dog and I just want to know what you guys think may be going on. Thank you in advance. via /r/dogs http://ift.tt/2qUSVTK