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Data selection flaw
  1. R J L F Loffeld
  1. Dr R J L F Loffeld, Department of Internal Medicine, Zaans Medical Center, Zaandam, The Netherlands; loffeld.r{at}

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Lutgens et al have published an important paper (Gut 2008;57:1246–51). They concluded that colorectal cancer occurred earlier than expected and that many cancers are missed if patients are followed according to follow-up protocols. However, these data should be interpreted with caution. For the sake of the study they carried out a PALGA …

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  • Competing interests: None.

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