A male patient 54 years old began to experience difficulty in swallowing of solid food with a sensation of an arrest of food at the root of the neck. 2 months later, the difficulty in swallowing included fluids as well. Recently he felt a change of voice together with difficulty in breathing.

What can be the probabale diagnosis for this patient? *This case is from Docplexus Editorial team for educative purpose only  Source: Case reports in ENT