Profile of D-dimer values and preoperative CT findings in patient number 5. A: Day 1: first outpatient examination. Day 20: admission, CT and IVC filter insertion. Day 21: operation. Day 33: IVC filter removal. B: Superior and inferior lobe branches of the right pulmonary artery are not visualized (white circles). C: Posterior tibial vein and peroneal vein in the left leg show no enhancement (white circles).