OC.10.2 A NEW STEP UP APPROACH FOR TREATMENT OF LARGE SIZE INFECTED PANCREATIC NECROSIS: PERCUTANEOUS ENDOSCOPIC NECROSECTOMY FOLLOWED BY TRANSLUMINAL DRAINAGE/NECROSECTOMY. (September 2021) - Mangiafico, S.; Bertani, H.; Russo, S.; Pigò, F.; Grande, G.; Cocca, S.; Lupo, M.; Sacco, M.; Conigliaro, R.