A 52-year-old man from Delhi presents to the emergency department with acute onset facial asymmetry and inability to close his right eye that developed over 6 hours. He reports pain behind his right ear and hyperacusis. On examination, he cannot wrinkle his forehead, close his right eye, or smile symmetrically. Corneal reflex is intact bilaterally. His hearing is normal. CT head is unremarkable. What is the most likely site of facial nerve lesion?