Given that the report is a professional document and bears the associated responsibilities, all of the radiologist's ERRORS appear in it, either directly or indirectly. It is not easy to distinguish and classify the mistakes made when a report is prepared, because in most cases the ERRORS are complex and attributable to more than one cause and because many ERRORS depend on the individual radiologists' professional, behavioral and psychological traits.In fact, anyone can make a mistake, but some radiologists make more mistakes, and some types of mistakes are predictable to some extent.Reporting ERRORS can be categorized differently:Universal vs. individualHuman related vs. system relatedPerceptive vs. cognitive ERRORS1. Descriptive 2. Interpretative 3. Decision relatedPerceptive ERRORS1. False positive 2. False negativeNonidentification Erroneous identification Cognitive ERRORS Knowledge-basedPsychological