This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Disorders of Gastrointestinal System Including Diarrhea, Subject name: Pediatrics
[{'content': "True about Peutz-Jegher's syndrome: \nSelect and explain. \nA. Pigmentary changes in skin and mucous membrane around mouth, B. Adenomatous polyp in intestine, C. Most common of pattern inheritance is autosomal recessive, D. 20-30% premalignant", 'role': 'user'}, {'content': 'Answer: A \nExplanation: Peutz Jegher Syndrome: Autosomal dominant Characterized by mucocutaneous pigmentation and extensive GI hamaomatous polyposis Life time risk of cancer- 47-93%', 'role': 'assistant'}]