<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 69-year-old woman is brought to the emergency department by her husband for evaluation of the sudden onset of chest pain and breathlessness 2 hours ago. The pain increases with deep inspiration. She had a total hip replacement 20 days ago. She has hypertension, for which she takes a calcium channel blocker. She has smoked 1 pack of cigarettes daily since adolescence. Her vital signs include a blood pressure of 10060 mm Hg, pulse of 82min, and respiratory rate of 30min. She is cyanotic. Examination of the chest revealed tenderness over the right lower lung with dullness to percussion. A chest CT scan showed a focal, wedged-shaped, pleura-based triangular area of hemorrhage in the right lower lobe of the lung. What is the most probable cause of the pulmonary lesion?? A: Vasculitis, B: Thrombosis, C: Embolism, D: Pulmonary atherosclerosis, E: Arteriosclerosis,  <response>: This is a clinical case scenario describing a 69-year-old woman with sudden onset of chest pain and shortness of breath. She has a history of recent hip replacement surgery, hypertension, and long-term smoking. Her vital signs and physical exam findings are consistent with a pulmonary embolism. The CT scan shows a wedge-shaped infarct in the right lower lobe, also suggestive of a pulmonary embolism. The choices describe different vascular diseases. Choice C embolism is the most likely diagnosis given the clinical presentation and imaging findings.C: Embolism 