My rats are 2 years and 4 months, dumbo has recently developed a tumour, and twinkie has suddenly become very old and ill?? He hasn’t been going to get food or water, he will take a small drink if I hold up a water bowl to him and will take certain foods. He also hasn’t moved in about 5 days. He’s also very puffy and looks kind of swollen. Is he just old or ill ?? Since this has happened dumbo has also stopped going to the food bowl and getting food and their food bowls Havent been touched for a while. Why is dumbo doing this ?? Please can someone help me understand what’s going on ??