Lymphoma in cats can manifest in various forms, with gastrointestinal (GI) lymphoma being the most common, accounting for 50-70% of cases. Other forms include mediastinal lymphoma, often linked to the Feline Leukemia Virus (FeLV), and renal lymphoma...
Feline lymphoma is one of the most common cancers in cats. Learn more from this vet answer what the common signs of this disease are and what treatment looks like for feline lymphoma.
Feline lymphoma is a malignant cancer of the lymphatic system, the exquisitely structured arrangement of internal organs and tissues that directly or indirectly influences virtually every aspect of a cats physical existence.

Sadly, cats diagnosed with mediastinal lymphoma and feline leukemia face a poor prognosis of about 3 months. Cats that do not have feline leukemia, who are diagnosed with mediastinal lymphoma, may show a full or partial response to chemotherapy.
Lymphoma is a common cancer seen in pet cats. Lymphoma can be caused by feline leukaemia virus (FeLV), though this is no longer commonly seen thanks to widespread vaccination.

The symptoms of lymphoma in cats depend on where the cancer is growing. Lymphoma in the lymph nodes comes as swellings around the neck, shoulder blades, and behind the knees.