The best thing you can do is to talk to your doctor and come up with a diet strategy that is tailored to you. Although, I can tell you most doctors are going to recommend a diet that keeps your LDL cholesterol levels under controls. This means limiting red meats, dairy products, and sodium and focusing instead on eating lots of whole grains, fruits, and vegetables. Many of my clients have had a lot of success with the dash diet which was originally created to reduce hypertension but is also helpful for people who suffer from heart conditions, blood clots, or strokes. You can help your appetite by listening to your body and learning what times of the day you have the most energy. Try to plan your meals to line up with times when your energy is highest. Best of luck to you with your recovery!