Most common site of instrumentation perforation in oesophagus is
Ans) a (Cervical) Ref sabiston 18th ed pi 110Endoscopic procedures are the most common cause of iatrogenic esophageal perforation, with the cricopharyngeal area most commonly injured.
Cervical
Esophago gastric junction
Intra-abdominal
Lower l/3rd
Oesophagus