For more than 20 years, CRICO has analyzed claims and suits from the Harvard medical community to understand causes of error. We have learned that 67% of claims fall into four high risk areas: Diagnosis, Obstetrics, Surgery and Medication.
https://www.rmf.harvard.edu/Podcasts/MedMal-Insider-Home
Preparing for the Worst: Closed Claim Abstract
In this case, the facts suggest that a serious adverse outcome might be prevented by preparing for the worst, rather than expecting everything will go well.