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
Incidental Lung Nodule Overlooked, No Follow-up, Fatal Cancer Advances
A patient was imaged for abdominal pain, but the radiologist saw and reported an incidental finding of a nodule on the lower lung that was not pursued or revealed to the patient for 2 years. The cancer had metastasized, and the patient died from lung cancer 18 months later.