A 45 year old male presented to emergency with complaint of chest pain associated with swallowing a piece of meat. He repos similar episodes over the past 3 years. But today's episode was the most severe. He doesn't give a history of regurgitation other than these episodes or heaburn symptoms. There is no difficulty in liquid intake and has not had any weight loss. Probable diagnosis in this case is?

B ring is a thin membranous narrow pa present at the squamocolumnar mucosal junction. Present in about 10-15% people & mostly asymptomatic Schatzki rings:- When lumen diameter is <13mm Associated with Episodic Solid food dysphagia (Classical symptom) Typical age of presentation is >40 years This intermittent food impaction is also known as "Steakhouse syndrome", As meat is a typical initiator. T/t:- Dilation Plummer-Vinson syndrome:- It also involves esophageal webs, but the webs occur in proximal pa of esophagus Associated with iron deficiency anemia More common in middle aged female Achalasia:- Involves both solid and liquid dysphagia + regurgitation Adenocarcinoma:- At late stages, it includes solid and liquid dysphagia.