A retired construction worker visits his local GP complaining of shortness of breath whilst resting. The man also shows signs of a persistent cough and chest pain. Upon examination the GP asks the man about his previous job, only to find that the man was not issued with the correct safety equipment including a face mask when working with asbestos. Which one of the following is the most likely diagnosis?
That was the correct answer, well done! 
Sorry, that was the wrong answer 