You can't be sure exactly what this is. It may or may not be a tumor, and then you can't know what sort of tumor it is.
On the other hand, it could be many things from a bad sprain to arthritis....to something deeper and more serious.
While I am definitely an advocate of alternative treatments (I use herbs a lot with good results) I wouldn't use an alternative treatment without first being certain what I am dealing with. Some alternative treatments, natural or not, may have no effect at all on the problem, especially if mis-diagnosed.
This needs to be checked out by the vet.
my 12 yr old rott/ shep mix front leg just started swelling its right at the elbow joint .I cant afford a vet visit but have sarted supplement to help reduce if it is a tumor also using msn for inflamation. was told it could take up to 8 weeks for supplement to show signs of shrinking. Nu Vets is what i have .its been 3 weeks .is there anything else i can try.affordable? she cant bend or walk on it .please anyone who can help? thank you