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study: CT Chest
age: 65 yr.
sex: Male

You Make the Call

65 year old male with cough.

Film 3138: CXR from several days after CT, after biopsy of left upper lobe.
Films 3206: "Dynamic" scan done during rapid infusion of IV contrast and "soft tissue" windows after IV contrast has reached equilibrium.


1. Does the left main bronchus look normal?
2. Can you find the left upper lobe bronchus?
3. Study the vasculature in dynamic scan. What major vessel that goes "up and over" the left upper lobe bronchus is nearly completely "wiped out" by this huge mass?
4. Why is the left hemidiaphragm elevated?
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