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Published: Jan 18, 2012

Stewie, the Guinness Book of World Records' longest domesticated cat—just over 4 feet long—was recently diagnosed with lymphosarcoma cancer. His owner, Robin Hendrickson, discovered a malignant tumor behind his right eye on Christmas day, according to Reno's local news site, She took Stewie to a veterinarian right away, and he is scheduled to receive a series of radiation and chemotherapy treatments.

VCA Animal Hospitals reports the clinical signs of lymphoid tumors are variable as lymphosarcoma can effect almost any body system in cats.  Common signs include swollen lymph nodes, although any lump or mass anywhere on the body should be checked out.  Pet owners should be sure to have their sick cats examined as soon as possible as lymphosarcoma can be located in any internal organ and cause a variety of cat illnesses.

The news source reports that lymphosarcoma is one of the more common forms of feline cancer, accounting for about one-third of all reported cases. Treatments for this cancer can vary depending on the severity, size and location of the tumors. VCA states that this may include radiotherapy, surgical removal of the lump, medications or other methods.

Because each situation is unique, a veterinarian will be able to advise you on the best course of action to take for your pet.