Question: A 52-year-old woman presented to our department with a 1-month history of progressive dysphagia for solids and weight loss (<10% of total weight). Her past medical history included cigarette smoking (15 pack-years) without medication, alcohol, or drug consumption, nor familiar risk factors. The patient denied other symptoms like anorexia, nausea, heartburn, retrosternal chest pain, abdominal pain, and gastrointestinal bleeding. On physical examination, she presented with a global decrease of the breath sounds.