This is an X - ray of a 55-year-old male, who's been a smoker for 15 years. He complained of progressive weakness and coughing up blood. He also lost 15 Kg in the last 6 months.

His electrolytes show hyponatremia. What diagnosis does his X ray reveal? *This case is from Docplexus editorial team for educative purpose only Source: Lets talk medicine Stay connected, the answer will be posted in 48 hrs