Image of the Week: Dyspnea, cough, and facial swelling in a smoker

A 70-year-old smoker presents with a 4-week history of dyspnea, cough, and facial swelling that is exacerbated by bending forward. A physical examination reveals venous collaterals on the chest wall, and imaging is ordered. What is the most likely cause?  Learn more about this case, take the quiz, and join the conversation on Figure 1.

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