Digestive masses in cats

By
✔ MRCVS
LMV
MSc
Updated October 16, 2025
4 min read

Overview

Symptoms

Risk

Diagnosis

Vet treatment

Home treatment

Prevention

When to worry

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Digestive masses in cats

By
✔ MRCVS
LMV
MSc
Updated October 16, 2025
4 min read

A mass in the stomach or intestines of a cat is usually due to a tumour, and most of them are cancerous. The outcome varies a lot depending on where the tumour is, what type it is and whether it has spread. These tumours are more common in middle-aged and older cats.

Tumours of the stomach and intestines are uncommon in cats. Cancers of the stomach make up about 1% of all cancers in cats, and those of the intestines make up less than 10%. In most cases, a specific cause can’t be identified, but environment, food, genetics and other diseases may all play a role. The majority of intestinal tumours in cats develop in the small intestine. Early diagnosis and treatment improve the chance of a good outcome.

What are digestive masses in cats? >What are digestive masses in cats? [Overview

Symptoms of a digestive mass in cats >Symptoms of a digestive mass in cats [Symptoms

Cats at higher risk of digestive masses >Cats at higher risk of digestive masses [Risk

Diagnosis of digestive masses in cats >Diagnosis of digestive masses in cats [Diagnosis

Vet treatment of digestive masses in cats >Vet treatment of digestive masses in cats [Vet treatment

Home treatment of digestive masses in cats >Home treatment of digestive masses in cats [Home treatment

Can digestive masses be prevented in cats? >Can digestive masses be prevented in cats? [Prevention

When to worry about digestive masses in cats >When to worry about digestive masses in cats [When to worry

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