Just new

I would appreciate any help whatsoever please.Ive been diagnosed with triple negative breast cancer grade 3.Ive no other details yet as it's early days.my heads all over the place,I can't think straight,one minute im crying,next I'm OK,idont know if it's fear or not.I would be glad to hear if anyone has went through the same and could help me please,I don't know where to turn for help please