B-ring in oesophagus is found at?: (A) Junction of cervical esophagus and cricopharyngeus, (B) Gastro-esophageal junction, (C) Junction of upper 1/3rd and middle 1/3rd of esophagus, (D) Junction of cricopharyngeus and upper 1/3rd of esophagus
Answer is B. B- ring - Schatzki ring * Lower 1/3rd esophageal mostly at the Gastro - esophageal junction * LE Ring < 13mm * Aphagia/ Food impaction