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PSNet: Patient Safety Network
Journal Article

Cognitive errors and logistical breakdowns contributing to missed and delayed diagnoses of breast and colorectal cancers: a process analysis of closed malpractice claims.

Poon EG, Kachalia A, Puopolo AL, et al. J Gen Intern Med. 2012;27(11):1416-1423.

This study analyzed 56 missed or delayed cancer diagnoses and found that virtually all cases involved cognitive errors and half involved logistical breakdowns.