A 55-year-old male, who's been a smoker for 15 years, came complaining of progressive weakness and coughing up blood. He also lost 15 Kg in the last 6 months. His electrolytes show hypernatremia, and his X-ray was ordered.

Describe the abnormality in the X-ray and the most likely diagnosis? *This case is from Docplexus editorial team for educative purpose only Source: Lets Talk Medicine