Mock-up reports of the four proposed options for the pharmacogenetic mutation analysis test of the KRAS gene to inform treatment decisions for colorectal cancer patients [-] . (a) Option 1: test report with interpretative summary box written in patient-friendly language describing the test, test result, and interpretation. (b) Option 2: summary letter with more extensive description of the test and test result in patient-friendly language. (c) Option 3: patient user guide to accompany the test report to help patients navigate and understand sections of the test report. (d) Option 4: first page of a completely patient-friendly lab test report written in patient-friendly language. Please note that these sample reports are not actual clinical reports. Note, for option 2, that the Flesch-Kincaid Reading Ease [] score is 51 (on a scale from 1 to 100), corresponding to a 9th grade reading level. For option 4, the Flesch-Kincaid Reading Ease score is 56 (on a scale from 1 to 100), corresponding to a 9th grade reading level. However, if the names of the drugs are removed, it decreases to a 7th to 8th grade reading level.