Among other malignancies, feline skin cancer and feline leukemia affect about 33% of cats.

Dr. Victoria Carmella, head of veterinary scientific affairs for Blue Buffalo Pet Food, who has assisted in raising more than $30 million to support vital pet cancer research supported by the Morris Animal Foundation, provides the following indications of cancer in cats:
- Growing or changing lumps
- Swollen lymph nodes
- Stomach distension (swelling)
- Weight loss
- Vomiting or diarrhea
- Unexplained bleeding
- Cough
- Lameness (limping)
- Straining to urinate
- Mouth odor
Cat Wheezing – What Is It, Why Does It Happen and..