<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 57-year-old man is brought to the emergency department by his wife 20 minutes after having had a seizure. He has had recurrent headaches and dizziness for the past 2 weeks. An MRI of the brain shows multiple, round, well-demarcated lesions in the brain parenchyma at the junction between gray and white matter. This patients brain lesions are most likely comprised of cells that originate from which of the following organs?? A: Thyroid, B: Prostate, C: Kidney, D: Lung, E: Skin,  <response>: This is a clinical vignette describing a 57-year-old man with a recent seizure and a 2 week history of headaches and dizziness. MRI of the brain shows multiple round lesions at the gray-white junction, which indicates metastatic brain tumors. The question asks which organ the metastatic cells likely originated from. Based on the patients demographics and clinical presentation, the most likely primary tumor would be lung cancer, which commonly metastasizes to the brain. Prostate cancer also commonly metastasizes to the brain, but is less likely in this age group. Thyroid, kidney and skin cancers are less likely to have this presentation.D: Lung 