A 50-year-old male presented with progressive unilateral sensorineural hearing loss associated with tinnitus since 2 years. There was marked difficulty in understanding speech which was out of propoion to the pure tone hearing loss. Patient also complained of reduced corneal sensitivity, numbness and paresthesia of face along with hypoesthesia of posterior meatal wall. O/E, PTA showed sensorineural type of hearing loss Poor speech discrimination score Absence of recruitment phenomena with SISI score of 0-20%. CEMRI The contents of most common site for this pathology are all except: -