Utility of endoscopy in the diagnosis of GERD and hiatus hernia.- Utility of radiology in the diagnosis of GERD and hiatus hernia.- Utility of ambulatory oesophageal pH and high resolution impedance manometry in the diagnosis of GERD and hiatus hernia.- Preoperative diagnostic workup before antireflux surgery: an evidence and experience-based approach.- Indications and procedures for surgical therapy of gastroesophageal reflux management.- Anterior vs posterior fundoplication for GERD .- Novel Endoscopic antireflux procedures - what do they offer?- Laparoscopic repair of paraesophageal hiatus hernia - suture cruroplast or prosthetic repair. Adverse outcome and failure following laparoscopic antireflux surgery - is one type of fundoplication better than other?- Use to postoperative HRIM and FLIP for dysphagia assessment following antireflux procedure.- Preoperative assessment of failed fundoplication.- Recurrent gastroesophageal reflux after a fundoplication - failure or wrong procedure.- Laparoscopic methods in recurrent paraesophageal hernias.- Revision strategies for recurrent paraesophageal hiatus hernia - laparoscopic or thoracoscopic.- Long term results after laparoscopic reoperation for failed antireflux procedure.- Utility of the Robot in revisional paraosophageal hiatus hernia.- Long term efficacy of laparoscopic Antireflux surgery (Nissen Fundoplication) on regression of Barrett's esophagus - role of impedence pH, FLIP and gastroscopy.- Linx for small hiatus hernia and GERD.