What Does Agenesis Of The Corpus Callosum Mean?

Hello Doc, my sister 26yrs was having headache due to high bp , we seen the physician he referd us to see eye specialist .. there doc asked us for CT scan .. after underwenting it he now askin us to refer to nuero surgeon . She doesn have ne pain or nethin lyk that .. jes onc or twice headache . Report there in Ct scan mention things to be normal except the corpus callosum cannot be visualised . n thereby there was some Agenesis of the corpus callosum (ACC) was mentioned . being ignorant about medical terms , m in state of panick , could u temme is something complicated , Doctors aint that clear .