CT
Axial C+ CTPA
Axial lung window
Coronal C+ CTPA
RPA oblique MIP C+ CTPA
LPA oblique MIP C+ CTPA
Peripheral non-occlusive filling defect within the left basal lateral segmental pulmonary artery. The peripheral distribution of the filling defect within the vessel signifies chronic PE rather than acute embolism. No signs of RV strain.