
She has had a large lump on her chest for the last six months. I took her into an appointment about four months ago where the vet told us there was a 90 percent chance it was cancer and a 10 percent chance it was B9. Just in the last week, she has been cleaning the area a lot and now I looked and it’s red and leaking puss.


It sounds like the changes you've noticed in your cat's lump are quite concerning, especially with the redness, pus, and increased grooming. These symptoms could indicate an infection or irritation. Here are some steps you can take at home to help manage the situation:
Firstly, it's important to keep the area clean. You can gently clean it with a mild antiseptic solution or warm saline solution, which can help reduce bacteria and soothe any irritation. Additionally, try to prevent your cat from licking the area excessively. Using an Elizabethan collar, or cone, can be an effective way to stop her from reaching the lump and causing further irritation.
It's also crucial to monitor the lump for any changes. Keep an eye on its size, color, and any discharge. Also, observe your cat for signs of discomfort or changes in behavior, such as a decreased appetite or lethargy.
Given the previous assessment and the current symptoms, it would be wise to consider scheduling a follow-up appointment with your veterinarian. They can evaluate the lump more thoroughly and determine if further testing or treatment is necessary.
If the condition worsens or you notice any significant changes in her overall health, seeking veterinary care sooner would be advisable. If you have any further questions, please feel free to ask. Thank you.
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