T03.02.14 PERORAL CHOLANGIOSCOPY SPYGLASS® IMPROVES ADEQUACY OF BIOPSY TISSUE SAMPLING FOR INDETERMINATE BILIARY LESIONS. (1st October 2020) - Pigò, F.; Bertani, H.; Caruso, A.; Morando, F.; Pintore, A.; Mangiafico, S.; Russo, S.; Grande, G.; Manta, R.; Conigliaro, R.