Endoscopic papillectomy: Data of a prospective observational study

Figure 2 Diagnostic workup of a representative case (tubulovillous adenoma of the papilla). A: Initial endoscopic view onto the tumor-like lesion of papillary region; B: Endoscopic ultrasonography-based imaging indicating echo-poor tumor lesion but no infiltrating tumor growth; C: Histopathological picture (HE staining; magnification, × 40).