1. The nature of the procedure (whether it is a test or treatment, whether it is invasive, and how long it will take to perform)
2. The risks of the procedure (what kind of risks are involved, their seriousness, their probability of occurring, and when they might happen)
3. The alternatives to the proposed procedure, including the option of no treatment (includes information on the options' nature, risks, and benefits)
4. The expected benefits of the proposed treatment, including their extent and their likelihood of being achieved