Fat cat gets revolutionary new knee joint

Cyrano lies on a table during a news conference at North Carolina State University in Raleigh, N.C., on Wednesday, Jan. 25, 2012. The 10-year-old tabby from Upperville, Va., received a groundbreaking total knee replacement on Thursday. In the background, from left to right, are engineer Ola Harrysson, surgeon Denis Marcellin-Little and handler Crystal Ritenour. (AP Photo/Allen Breed)

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Because Cyrano weighs more than 20 pounds, amputating his cancer-weakened leg was out of the question. On Jan. 26, the 10-year-old tabby from Upperville, Va., received what doctors believe is the first feline total knee replacement in the U.S.

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