History A 64-year-old woman has presented to the emergency department. She has been feeling generally unwell for several weeks and has become increasingly breathless over the last four days. She describes a nonproductive cough but denies any fevers or night sweats. Her medical history is significant for a recent diagnosis of right-sided carcinoma of the breast that was treated with a lumpectomy (removal of the tumor in the breast) and a course of chemotherapy. Examination The woman has reduced breath sounds on the right side of her chest, with dullness to percussion.
Pulse oximetry applied to her finger shows a reading of 92 per cent on room air. A chest X-ray is performed in the emergency department (image is attached for reference). What does the chest X-ray show? How would you investigate the underlying cause? *This image-based case is from Docplexus editorial team for educative…
