Gastroesophageal Reflux Disease (GERD): This is the most likely diagnosis given the symptoms of chronic GERD-like cough and choking. GERD can cause stomach acid to flow back into the esophagus, leading to inflammation and irritation, which may result in difficulty swallowing or a sensation of food getting stuck, mimicking choking.

Laryngopharyngeal Reflux (LPR): Similar to GERD but involves the backflow of stomach contents into the larynx and pharynx, potentially causing chronic cough, throat clearing, and a sensation of choking or difficulty swallowing.
Esophageal Dysmotility: Conditions such as achalasia or diffuse esophageal spasm can lead to abnormal esophageal contractions, causing difficulty in swallowing and potentially a sensation of choking on food.
Eosinophilic Esophagitis: An inflammatory condition of the esophagus that can cause difficulty swallowing, food impaction, and potentially a sensation of choking due to esophageal narrowing or spasms.

Esophageal Cancer: Although less common, esophageal cancer can present with progressive difficulty swallowing (dysphagia) and may be mistaken for GERD or other benign conditions. Early diagnosis is crucial for treatment.
Foreign Body Obstruction: Accidental ingestion of a foreign body can cause sudden onset of choking or difficulty swallowing and is a medical emergency.
Angioedema: A condition characterized by rapid swelling of the dermis, subcutaneous tissue, mucosa, and submucosal tissues, which can cause airway obstruction and is life-threatening if not promptly treated.

Rumination Syndrome: A condition where food is regurgitated into the mouth without nausea or vomiting, which can sometimes be perceived as choking.
Zenker's Diverticulum: A rare condition where a pouch forms in the pharynx, potentially causing difficulty swallowing, regurgitation of food, and a sensation of choking.
Cricopharyngeal Spasm: Spasm of the cricopharyngeus muscle can cause difficulty swallowing and a sensation of food getting stuck, potentially leading to choking sensations.