Endoscopic screening for gastrointestinal cancers
Precise estimates of the magnitude of benefits and harms of endoscopic screening for cancer are a prerequisite for informed decision making for or against participation in screening for individuals in the target population.

Photo: Colourbox
In the paper Do’s and don’ts in evaluation of endoscopic screening for gastrointestinal cancers published online first in the journal Endoscopy on Sept 21st, Michael Bretthauer and co-workers from the Clinical Effectiveness Research group outline the most common pitfalls in the evaluation of screening and offer recommendations for future studies.