middle aged man who had a history of surgery for achalasia a few years back presents to you with a complaint of hoarseness for 1 month and dysphagia for 2 weeks. On examination , vocal cord paralysis was noted and a mass in the thoracic inlet was seen in imaging. What is the probable diagnosis?
A. cancer of the laryn
B. cancer of the oesophagus
C. cancer of the lung
D. cancer of the thyroid