OC.16.3 DOES ECKARDT SYMPTOM SCORE REFLECT THE INTEGRATED RELAXATION PRESSURE VALUE IN ACHALASIA NAIVE PATIENTS AFTER PER ORAL ENDOSCOPIC MYOTOMY?. (25th March 2019) - Pellegatta, G.; Maselli, R.; Galtieri, P.A.; Capogreco, A.; Cappello, A.; Ormando, V.M.; Palma, R.; Maroni, L.; Lamonaca, L.; Craviotto, V.; D'Amico, F.; Spadaccini, M.; et al.