- Nov 25, 2010
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Hi, I have a 16 month tabby called Kian. I found a lump in his back. It's under the skin and quite firm but moves around a lot. He recently had his annual shots, so could it be a reaction and when would it go. I was recently reading about VAS (vaccine associated sarcoma) which scared me so much I don't know if I want to give him any more boosters? Any advice would be greatly appreciated. I have had him since he was 4 weeks old and is like my baby and he certainly sees me as mummy! Thanks