Derivative Complex Small Supernumerary Marker Chromosomes (sSMC) Involving Chromosomes 2 and 15—A Novel Report. - Alayed, Yazeed; Mushiba, Aziza; Tashkandi, Soha; Almashham, Yahya; Alsaidi, Khelad; Albohigan, Abdulrazaq; Jamhawi, Amer; Alkheilewi, Mohammad; Alotaibi, Maryam (Clinical Case Reports, 2025)