Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to identify lumps on your cat [title] See a vet as soon as possible about new lumps. [step] In general, you should have any lumps that last more than a week or two checked out by your vet. However, it's worth noting that small lumps that are not growing, oozing anything, or bothering your cat are unlikely to be dangerous.

Ending1: [substeps] If a lump appears suddenly and grows noticeably, take your cat to the vet at your earliest convenience. [title] Monitor seemingly innocuous lumps. Ending2: [substeps] If lumps are lumps, but are oozing pus, it may not be cancerous. For instance, it might be a sign of an autoimmune disease, like rheumatoid arthritis. Ending3: An actopical treatment, such as actopical steroid, should be considered as a last resort and should not be used in cats with severe infection. [substeps] Drop off your cat to get the lumps looked at by your vet. Ending4: In fact, even the most minor buildup of lumps can warrant diagnostic exams by your vet. [title] Look at your cat's tongue.

Answer format: ending1/ending2/ending3/ending4