Q. My dog is 13 and has lump on his back the vet said to watch it and it seems to be getting bigger and it is not movable like before. Weakness in legs

A. the weakness of the legs may or may not be related to the lump (common symptom in Labradors this age but could also be a tumor that spread to the spine or hips), if the tumor is getting bigger and isn't movable anymore this is almost always an indication to remove it surgically as soon as possible.

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A. If the lump is growing it needs to be re-examined. I would highly recommend having it removed and biopsied, if possible. The weakness is likely due to an orthopedic issue like arthritis, especially in an older dog. Please have him seen by a veterinarian.

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