<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 4430-g 9-lb 10-oz male newborn is delivered at term to a 27-year-old woman, gravida 2, para 1. The second stage of labor was prolonged and required vacuum-assisted vaginal delivery. Apgar scores are 9 and 10 at 1 and 5 minutes, respectively. Examination of the neonate 2 hours later shows a soft, nonpulsatile swelling over the left parietal bone that does not cross suture lines. Vital signs are within normal limits. The pupils are equal and reactive to light. The lungs are clear to auscultation. Heart sounds are normal. The spine is normal. Which of the following is the most likely diagnosis?? A: Lipoma, B: Cephalohematoma, C: Subgaleal hemorrhage, D: Epidermoid cyst, E: Encephalocele,  <response>: This is a question about identifying the most likely diagnosis for a newborn with a soft, nonpulsatile swelling over the left parietal bone after a prolonged, vacuum-assisted delivery. The key findings are a swelling over the left parietal bone that does not cross suture lines and occurred after a difficult delivery involving vacuum extraction. Cephalohematoma is swelling containing blood that occurs under the periosteum of skull bones, often after birth trauma. It does not cross suture lines. The other options can be ruled out: lipomas are benign fatty tumors, subgaleal hemorrhage involves bleeding under the scalp and often crosses suture lines, epidermoid cysts are benign cysts of the skin, and encephaloceles are herniations of the brain and meninges through a skull defect.Therefore, the most likely diagnosis is a cephalohematoma.B: Cephalohematoma 