Figure 1

Lynch syndrome: indications for testing. CRC, colorectal cancer; EGAPP, Evaluation of Genomics Applications in Practice and Prevention Working Group; HNPCC, hereditary non-polyposis colorectal cancer; IHC, immunohistochemistry; LS, Lynch syndrome, MMR, mismatch repair; MSI-H, microsatellite instability-high; MSI-L, microsatellite instability-low; MSS, microsatellite-stable.