Progressive FeLV infection carries the worst prognosis, and cats with progressive FeLV are at high risk of developing potentially fatal associated diseases. With a progressive infection, a cats bone marrow becomes infected with the virus and allows for continual viral replication.
The impact of leukemia on your pet can vary with the form of the disease. The different forms have differing clinical presentations and each form carries a different prognosis for your pet.Diagnosis of Leukemia in Cats. Complete history and physical exam. Complete blood count (CBC).

Prognostic Factors and Survival Rates for Childhood Leukemia. In children with cancer, certain factors that can affect a childs outlook are called prognostic factors.

As we can see from the illustration, Leukemia In Cats Prognosis With Poor Prognostic Factors has many fascinating aspects to explore.
The prognosis for cats diagnosed with lymphoma varies greatly depending on the type of lymphoma and whether they have feline leukemia. Cats with gastrointestinal large cell lymphoma can live 6-9 months with treatment, and a small percentage can live up to 2 years.
Brain Tumor Grades and Prognostic Factors CancerNet.