Figure 3
From: Chromoendoscopy in magnetically guided capsule endoscopy
Pig stomach patches with lesion imitation stained with different concentrations of Indigo carmine. (A) no staining, (B) 0.2%, (C) 0.4%, (D) 0.6%, (E) 0.8%, (F) 1%. Non-protruding slightly-depressed lesions (0-IIc) are contoured with red outlines. Image of 2 x 2 cm pig stomach patches were cropped to 1.8 x 1.8 cm.