Please choose the correct ending to complete the given sentence: Health: [header] How to prepare for bypass surgery [title] Keep all appointments with your surgeon. [step] They will schedule preoperative tests and give personalized instructions. Make sure that you feel sufficiently informed about the serious surgical procedure you'll be undergoing.

Ending1: Make the time go by without any interruptions, if possible. [substeps] Don't reschedule your appointment unless your surgeon gives you permission. Ending2: Your surgeon may ask follow up appointments, check blood pressure, or even make monthly medication appointments. [substeps] Doing so will ensure that you have indeed undergone the operation, are familiar with the procedure, are prepared, and don't have any questions. Ending3: [substeps] If you have any questions for the surgeon about what the operation entails or how long the recovery process will be, this is the time to ask. [title] Tell your surgeon about all medications you're taking and any allergies. Ending4: [substeps] Consider exchanging your surgeon's resume for a copy. Check online for published references to inform yourself about the most relevant information in your surgeon's resume.

Answer format: ending1/ending2/ending3/ending4