Premium Content Subscriber only Toowoomba cat Riker has kept his owners on their toes after their vet found something unusual lodged in his stomach during an annual check-up. West Toowoomba Vet Surgery vet Michael Burke was examining the ginger and white coloured domestic shorthair when he felt a large and hard lump in his abdomen. CHEEKY CAT: Ginger and white domestic shorthaired cat Riker has kept his owners on their toes after their vet found something unusual lodged in his stomach during his annual check-up. Concerned by the discovery, the owners advised the vet to proceed with surgery but no one anticipated the results.