A 31-year-old man is diagnosed with a benign pituitary adenoma that has impinged on the right aspect of the cavernous sinus. Which of the following clinical signs is most likely to be evident in this patient?
A. Left-sided diplopia
B. Right-sided pupillary dilation
C. Bilateral painful ophthalmoplegia
D. Left-sided complete ptosis
E. Right-sided dry eye