1.Mary is a 47-year-old-female who was diagnosed with Stage IV breast cancer about a year ago. She is status post chemotherapy and bilateral mastectomy and is currently completing radiation therapy to the chest. Recently, she has been experiencing difficulty moving her tongue, which is affecting chewing, swallowing, and speech. Upon investigation, the left side of her tongue appears paralyzed. An MRI revealed a lesion at the base of her skill that appears to be affecting one of her cranial nerves. Which cranial nerve do you think is being affected and why?