An insect bite: This is a possibility if your cat is not on flea control medications, but it is unlikely based on the photo ...
A mother has claimed doctors warned her that lumps in her neck could be parasitic worms from her two adopted 'street cats' - ...
"Hi! I just found this lump on the side of my cat's chest. It's not hard and doesn't hurt him. Any ideas of what it could be? It's hard to see because he’s very fluffy, but it’s pink?" ...