The presence of oedema on a segment of the limb is a typical clinical sign of thrombosis (thrombophlebitis) of the main veins of the limb. The oedema of the limb is typically located lower than the level of venous occlusion, starting from the foot and then progresses in cranial direction. The deep femoral vein is rarely affected by thrombosis. However, when the deep femoral vein is the singular...