She is leaving us too soon

We rescued my sweet Myrtle back in June 2024. Yesterday she was diagnosed with acute leukaemia. She is only 4 1/2. The vet has said she is not in pain, and has prescribed prednisone to keep her appetite up. I am so devastated. I have no idea how I am going to handle losing her. Hold your sweet pups close ❤️❤️