We had to put down my wife’s 16 year old cat today. She had been losing weight substantially for the last two months. She was a tiny 8.5lbs to start with and two weeks ago she was down to 6.3lbs. Yesterday we noticed she had stopped eating solid food completely. We tried giving her tuna and she barely touched it. Then she went missing, we found her 40 minutes later hiding in the back of my wife’s closet, it’s was pretty obvious she had picked her place to die in peace. When we found her she was breathing shallow and fast, and didn’t want to move at all. The vet said she most likely had lung cancer and there was nothing we could do.