Dilation of the main pulmonary artery and its left and right branches above the stenotic pulmonary valve.
Part of: Sabzi F, Heydari A, Heidari Moghaddam R, Rouzbahani M, Asadmobini A (2022) A rare case of Watson syndrome. Folia Medica 64(4): 672-675. https://doi.org/10.3897/folmed.64.e63559