A 65-year-old male presented with recent chest and back pain. Patient has no significant medical or surgical history. He is an occasional smoker and drinks no alcohol.

A CT scan was ordered to confirm the finding of opacity in plain chest PA radiograph. What is the diagnosis from CT finding? Source: MedPix, Joel McFarland, National Naval Medical Center Bethesda *This case is from Docplexus Editorial Team for educative purpose only.