Organ systems and clinical manifestations of cGVHD in children at the time of initial cGVHD diagnosis. (A) The percentage of children with cGVHD (NIH-CC and non–NIH-CC) with specific organ system involvement. (B) The percentage of children with NIH-CC cGVHD exhibiting diagnostic cGVHD signs at the onset of cGVHD development. (C) The percentage of children with NIH-CC cGVHD exhibiting distinctive cGVHD signs at the onset of cGVHD development. MSK, musculoskeletal.