This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Medicine
A 35-year old lady presented with dysphagia>> nocturnal asthma and weight loss for 6 years. The most probable diagnosis is - 
Select and explain. 
A. Achalasia cardia, B. Lye stricture of esophagus, C. Gastroesophageal reflux diseae, D. Cancer esophagus
A: Achalasia cardia
Answer: A: Achalasia cardia 
Explanation: <P>Davidson&;s principles and practice of medicine 22nd edition #Achalasia cardia is presented with dysphagia ,episodic chest pain due to oesophageal spasm,nocturnal pulmonary aspiration, weight loss.</p>