Dr. Manel Martínez, a long-time friend of the Muppet, has provided the following case: an asymptomatic 67-year-old man in whom a mass was discovered in the chest radiographs.
1. Aortic aneurysm
2. Hydatic cyst of lung
3. Left pulmonary artery aneurysm
4. None of the above
Final diagnosis: saccular aneurysm of descending aorta.
Teaching point: when seeing lineal peripheral calcification, think of cyst vs. vascular (Dr. Pepe dixit).