Have Cat Questions? Ask a Cat Vet Online.
Welcome and thanks for asking your question. My name is***** am a licensed veterinarian. I am not set up to make a live call. But, I am happy to answer your question on this thread. First I need to ask you a few questions so that I can be well informed and give you the best advice.
1- How long has he had the lump?
2- Is he licking or gnawing at the lump?