Research Article

Machine Learning Creates a Simple Endoscopic Classification System that Improves Dysplasia Detection in Barrett’s Oesophagus amongst Non-expert Endoscopists

Figure 3

Decision tree constructed from expert opinion that was used to train non-expert endoscopists. M1: regular circular (oval) or villous/gyrus ridged pits; M2: distorted irregular pits or featureless mucosa. Flat means absence of endoscopically visible nodularity or ulceration.