One of the largest case settlements of all time was $15 million to a New York woman for a missed diagnoses of breast cancer requiring a mastectomy, radiation treatments and chemotherapy over a year after original discovery of a breast lump (HMI Team, 2019). This may seem to be an unusual occurrence but how common is a cancer diagnosis missed?

In 2020, there were an “estimated 1.8 million new cancer cases diagnosed and 606,520 cancer deaths in the United States” (ACS, 2021). Though the exact number of missed cancer diagnoses or misdiagnosis