Dear doctors, my son is 5 months old. he has developed flat head on his right and back. it looks a big lump on his left. He had breathing problem when he was born so he used to turn his head towards right. When I asked my pred he said once he start sitting on his own flat head will come to normal shape. Now it still looks odd. he has all his head on his left. please let me know do I have to worry about this or will it come to normal after some time. Will it effect brain development ? taken a similar picture from Google