Fig. 1

Gastrointestinal endoscopy findings. a The esophagus is dilated and meandering and contains food residues. b The scope has twisted and is eccentric in the cardiac region, a characteristic finding of achalasia
Gastrointestinal endoscopy findings. a The esophagus is dilated and meandering and contains food residues. b The scope has twisted and is eccentric in the cardiac region, a characteristic finding of achalasia