Noonan Syndrome 9, also known as ns9, is related to macular degeneration, age-related, 1 and noonan syndrome 1. An important gene associated with Noonan Syndrome 9 is SOS2 (SOS Ras/Rho Guanine Nucleotide Exchange Factor 2). Affiliated tissues include heart and skin, and related phenotypes are short neck and cryptorchidism