A 71-year-old male with unresectable lung cancer went to a tumorclinic for a routine checkup. The only trouble he had experiencedin the 6 months following his diagnosis was occasional coughing,slight shortness of breath, and a mild but nagging pain in theright side of his chest. He explained to his doctor that lately theright side of his face had been \" feeling funny.\" His symptoms,upon closer questioning, included lack of perspiration on the rightside of his face during her regular morning walks. Examination ofthe patient revealed a right pupil that was much smaller than theleft, along with a drooping right eyelid. Recognized the patient'sabnormal face and eye findings as Horner's syndrome, the doctorturned to the chest CT scan in his file to look for the cause. Heknowingly nodded as he examined the copy of the scan, noting thatthe lung tumor, located in the medial aspect of the right upperlobe, had invaded the mediastinum and the ascending nerve tractsinto the base of the neck.

1) What area or general structure(s) within the autonomicnervous system has the tumor invaded and compromised?

2) Using autonomic nervous system terminology, explain thereason for each of the three findings (lack of facial sweating onthe right side, pupillary constriction, and eyelid droop)

3) Include a description of neural pathways and effectororgans