This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Surgery
A 45yr old man presented to the OPD dysphagia to both solid and liquids Esophageal manometry was performed = it revieled premature contraction with >20 % wet swallows and abnormally increased Lower esophageal pressure of >450mm hg 
Select and explain. 
A. Type 1 achalasia, B. Type 2 achalasia, C. Type 3 achalasia, D. Jackhammer esophagus
C: Type 3 achalasia
Answer: C: Type 3 achalasia 
Explanation: ref : bailey and love 27th ed.