A rare hump in the right lung, waiting to be named

A 78-year-old man with a 30-year history of chronic obstructive pulmonary disease (COPD) presented to the accident and emergency department with shortness of breath and a cough productive of white sputum. A provisional diagnosis of an infective exacerbation of COPD was made. He had a 60-pack-year history of smoking but had stopped a year ago. He was sent for a routine chest x-ray (CXR) and a right …