<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 46-year-old man presents with increasing fatigue and weakness for the past 3 months. He works as a lawyer and is handling a complicated criminal case which is very stressful, and he attributes his fatigue to his work. He lost 2.3 kg 5.0 lb during this time despite no change in diet or activity level. His past history is significant for chronic constipation and infrequent episodes of bloody stools. Family history is significant for his father and paternal uncle who died of colon cancer. and who were both known to possess a genetic mutation for the disease. He has never had a colonoscopy or had any genetic testing performed. Physical examination is significant for conjunctival pallor. A colonoscopy is performed and reveals few adenomatous polyps. Histopathologic examination shows high-grade dysplasia and genetic testing reveals the same mutation as his father and uncle. The patient is concerned about his 20-year-old son. Which of the following is the most appropriate advice regarding this patients son?? A: The son should undergo a prophylactic colonic resection., B: An immediate colonoscopy should be ordered for the son., C: The son doesnt need to be tested now., D: A genetic test followed by colonoscopy for the son should be ordered., E: Screening can be started by 50 years of age as the sons risk is similar to the general population.,  <response>: This is a question about hereditary colon cancer syndrome. The patient has a family history of colon cancer and is found to have the same genetic mutation as his affected relatives. He is concerned about his 20-year-old son. The key points are:- Patient has a genetic mutation known to cause colon cancer, same as affected relatives- Patient developed colon cancer at a young age - Patient is concerned about his 20 year old sons riskSince this is a hereditary cancer syndrome, the son is at high risk of developing colon cancer at a young age if he inherited the mutation. The best option would be to test the son for the mutation, and if positive, start colonoscopy screening at an earlier age than standard guidelines.D: A genetic test followed by colonoscopy for the son should be ordered. 