Thank you for your question. Spreader grafts have historically been used to widen the middle nasal vault in order to improve breathing. The purpose of the spreader graft is to serve as a spacer between the septum and the upper lateral cartilages that regulate airflow. It is very common if the...
It does appear that you might have a deviated septum which is the most likely reason that your left nostril is more slit-like and narrower than your right nostril. However, other causes such as asymmetric cartilages that make up the tip of your nose can also be a cause. A good examination would...