A 50 year old industrial worker, smoker presents to you with a history of haemoptysis. On the chest x-ray the right costo-phrenic angle is not clearly

[Tiffany Wong]

#oldrecallamc1

A 50 year old industrial worker, smoker presents to you with a history of haemoptysis. On the chest x-ray the right costo-phrenic angle is not clearly seen. Which of the following is the most likely diagnosis?

A.Squamous cell carcinoma
B.Small cell carcinoma
C.Mesothelioma
D.Adenocarcinoma