Watch FMovies. Tuberous Sclerosis Complex (TSC) is a genetic disorder that causes noncancerous tumors to grow in different parts of the body. However, the Hong Kong government has been slow to allow treatment for the disease, especially in relaxing regulations for drugs that treat the tumors. Director Wong Siu-pong turns his camera on Hong Kong’s medical system with this heartrending documentary about a young TSC patient who also lost her mother to the disease.