Suggest Treatment For Tiredness And Loss Of Energy

2nd time survivor of colon/rectal cancer stage 4. Have developed fistula disease. Have colostomy,, but am passing discharge quite frequently through the rectum. Continually tired, no energy, not much quality of life. Have had 4 surgeries, the most recent they resected another 35 inches of bowel. Is there a cure for this condition? Is it just going to progressively get worse & result in death? I have spent over 150 days in the hospital since my surgery 09/2013. Do not really want to stay in hospital again & go through TPN treatment for 6 months again. What are my options, or is there a way that I can feel a bit better & regain some quality of life. I do not want anymore treatment if I am just going to die soon anyway. Would rather spend whatever time I have left with family.