King Salman Humanitarian Aid and Relief Center (KSrelief) concluded Tuesday the seventh voluntary medical campaign for pediatric open-heart surgery in Al-Mukalla, which was implemented as part of the Saudi volunteer program for heart disease and surgery in Yemen. KSrelief's medical team performed 8 successful open-heart surgeries and therapeutic cardiac catheterization. The campaign comes as a part of the humanitarian medical projects being implemented by the Kingdom of Saudi Arabia, through KSrelief, with the aim of providing treatment services to patients from families with limited income.