International St. Mary's Hospital offers specialised Endovenous Laser Treatment (EVLT) for Varicose Veins (Single Extremity) using modern vascular technology and established clinical protocols. Established in 2014, the JCI accredited hospital is situated in Seoul, South Korea, with 808 beds, serving local and international patients.

EVLT is a minimally invasive treatment that uses targeted laser energy to close an abnormal vein in one leg. The body gradually redirects blood through healthier veins. Before the procedure, the vascular team assesses the vein using ultrasound and reviews the patient's symptoms and medical history. Follow-up care may include compression therapy and guidance on maintaining mobility during recovery.