This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
'Pencil tip' deformity is seen in : 
Select and explain. 
A. Carcinoma esophagus, B. Achalasia Cardia, C. Barrett's oesophagus, D. None of the above
B: Achalasia Cardia
Answer: B: Achalasia Cardia 
Explanation: Ans. is 'b' i.e. Achalasia Cardia