Q:My 27-year-old mare has a growth on the right side of her neck that is now the size of a small Nerf football. We first noticed this mass in 2003, but I was told that because of her age there would be no point in removing it. Now Cassie is 27 and appears to be very healthy in every other way except for the growth still on her neck.

Her growth/tumor is finally to the size that it inhibits her ability to flex her head back to her chest. She doesn’t flinch at all when I touch the growth, but it is very hard and I assume it is becoming uncomfortable

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