Intravenous leiomyomatosis with different surgical approaches: Three case reports

Figure 1 Representative images of Case 1. A: Computed tomography scan shows a continuous mass arising from the pelvis through the inferior cava vein; B: Echocardiography shows the mass extending into the right ventricle from the right atrium; C: Pathological examination of the tumor showed mass smooth muscle fibers proliferation with interstitial fibers edema, and infiltration of a few lymphocytes; D: The resected tumor during the surgery.