Its existence might be secondary to venous hypertension. Additional systemic indications like increased shortness of breath may also be an ominous sign especially in central lesions. Their presence is often an early indicator of coronary heart failure. A upper body X-ray, electrocardiography, and cardiac ultrasound can full the workup together https://www.sgvascularctr.com/understanding-venous-malformation-treatments-in-singapore/