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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, Gandhi TK, Studdert DM. J Gen Intern Med. 2012;27:1416-1423.

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