Case: Chest radiograph #4646165
Chest Beginner
Read this radiograph systematically before revealing the answer. What is the main abnormality?

Image: James Heilman, MD via Wikimedia Commons · CC BY-SA 3.0 · source · resized and converted to WebP
Tip: scroll or pinch to zoom, drag to pan, and try Invert.
Answer: Pleural effusion
What to look for in pleural effusion
- Blunted costophrenic angle with a meniscus.
Description by the image author (may be in another language): Massive left sided pleural effusion in a patient presenting with lung cancer.
Educational case. The diagnosis comes from the image's documented source; the "what to look for" list describes the condition in general and is not a report of this individual image.





