primary achalasia with loss of ganglion cells in the myenteric plexus of the distal esophagus
or pseudoachalasia, which is most often due to tumor infiltrations of the lower esophageal
sphincter (Zaninotto et al. 2018, Oude Nijhuis et al. 2020). In this paper, a unique case is
reported regarding bilateral synchronous renal adenocarcinomas, initially presented with
progressive dysphagia and significant unintended weight loss, in fact, with achalasia.