A well-defined solid appearing mass lesion with axial width up to 20 x 18 mm and the height of up to 15 mm within the left orbital apex interposed the inferior and temporal side of the optic nerve sheath complex and superior rectus muscle, inferior rectus muscle, and lateral rectus muscle with impression on the optic nerve and the mentioned extraocular muscles is seen. Left side proptosis, the compression of the mass on the related posterior medial orbital wall, and adjacent superior orbital fissure widening.