Massive pulmonary embolism in patient 3. (A) Axial CT image demonstrating thrombus in the right and left main pulmonary arteries. (B) Axial CT image through the heart demonstrating an enlarged RV (dashed line) to LV (solid line) ratio. (C) Thrombus on pulmonary angiography (arrows), extending from the left main pulmonary artery into the left lower-lobe pulmonary artery. (D) Indigo aspiration device (arrow) within the left lower-lobe pulmonary artery. (E) Placement of bilateral CDT infusion catheters (arrows).