-year-old woman presented to her general practitioner with progressive
shortness of breath that had existed for 1.5 years. The symptoms became
obvious while moving to a new home. Because breath sounds of the left
lung were found to be almost absent, a chest radiograph was made that
showed opacification of almost the entire left hemithorax.
Subsequently, the patient was referred to a pulmonologist for further
Her medical history was unremarkable except for the extraction of a
polyp from the uterine cervix. She never smoked and was not on