Sinusitis, an inflammation of the paranasal sinuses, is brought on by a viral, bacterial, or fungal infection. the most commonly affected paranasal sinuses are the most inferior ones, which are called

The inferior most, or the lowest, sinus cavity is called the maxillary sinus. It is also the largest sinus cavity and it drains into the middle of the nose. The maxillary sinus is located above the upper jaw and is easily visible on x-rays above the premolar and the molar teeth. 
The symptoms of sinusitis include headaches near the sinus and discharge of foul-smelling mucus.

Mars and earth have quite a few things in common. both are  terrestrial planets, both are located within the sun’s  habitable zone, both have  polar ice caps, similarly  tilted axes, and similar  variations in temperature. and according to some of the latest scientific data obtained by rovers and atmospheric probes, it is now known that mars once had a  dense atmosphere  and was covered with  warm, flowing water.