So last week I noticed he'd got a wound in his side (fighting I guess) but nothing terrible, kept an eye out in case it turned. Didn't notice too much till Saturday when he spent the day licking it, pinned him down and it was scab bed over, but pusey. In fact when he got up pus started flowing from it. I cleaned him up, but noticed around two if his nipples it was crusty with a lump underneath. In fact all his wounds have a lump under. Very sore to touch, but not hot like an abscess. Couldn't get him in vets, going today. He's eating ok, not his usual voracious self, but demolished a chicken breast last night. Spent night lying on kitchen floor instead of on his blanket. I'm really worried about him. It's happened too fast to be cancer hasn't it? My poor boy.