This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Esophagus, Subject name: Surgery
Mackler's triad consists all, except? 
Select and explain. 
A. Thoracic pain, B. Dyspnea, C. Cervical subcutaneous emphysema, D. Vomiting
B: Dyspnea
Answer: B: Dyspnea 
Explanation: Mackler's triad Thoracic pain Vomiting Cervical subcutaneous emphysema Seen in Boerhaave syndrome