Meanwhile, breeds with the lowest risk of cancer include Pomeranian, Miniature Pinscher, Shih tzu and Chihuahua. Dogs most and least likely to die from cancer . MOST LIKELY TO DIE FROM CANCER.

*Advances to Best in Show. Toy Group. For the second year in a row, Comet the shih tzu (officially known as GCHP CH Hallmark Jolei Out Of This World) has won Best of Group out of 25 toy breeds.