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Updated on September 23rd, 2025
Pet's info: Dog | Yorkshire Terrier | Male | neutered | 15 lbs
On our yorky’s left side adjacent to his spine and on the outside of his rib cage he has a very large mass. Vet a year ago said just a fat deposit and no problem. Now we are alarmed as when he lies on his side whether awake or sleeping he has very labored breathing, wheezing terribly (not like allergies). His sides heave violently when this happens to the point his rib cage seems to struggle to expand then he heaves violently. Seems to struggle to breathe but not when erect. Help? Charles
1 Answer

Answered By Dr. Elizabeth
Veterinarian
Published on January 1st, 2020