<prompt> Which of the following is TRUE about paraesophageal hernia?Surgery is indicated in all symptomatic casesIn Paraesophageal type reflux is more commonParaesophageal type is the most common type of congenital herniaThere is upward displacement of the cardioesophageal junction  <response>: Sliding hernia is the most common type of hernia and this type of hernia is associated with upward displacement of cardioesophageal junction. In paraesophageal type of hernia the cardioesophageal junction is undisplaced. Since the gastroesophageal junction is located and function normally in most of hernia, thereby reflux is uncommon in paraesophageal type of hernia. Surgical correction is indicated only in symptomatic paraesophageal hernias Ref: CSDT 13e, Page 439-41 ; Schwaz 9e, Page 482-85 ; Maingots 11e, Page 203-05 