This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Vascular surgery, Subject name: Surgery
[{'content': "Which of the following conditions disappear spontaneously in first year of life ? \nSelect and explain. \nA. Po wine stain, B. Naevus flammeus, C. Salmon's patch, D. Strawberry haemangioma", 'role': 'user'}, {'content': "Answer: C \nExplanation: . It is a cqpillary vascular malformation also called as naevus simplex. Commonly seen in 40% of new borns. It is present at bih,usually involves nape of neck,face,scalp,limbs. With age,it goes for spontaneous regression and disappears completely,usually in one year. Refer page no 214 of SRB's manual of surgery,5 th edition.", 'role': 'assistant'}]