<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 4-year-old girl is brought to the physician by her mother for a follow-up examination. She has a history of recurrent asthma attacks. The mother reports that her daughter has also had mild abdominal pain for the past 2 weeks. The patients current medications include daily inhaled fluticasone and inhaled albuterol as needed. She appears well. Her temperature is 37C 98.6F, pulse is 100min, and blood pressure is 13085 mm Hg. The lungs are clear to auscultation. Cardiac examination shows no murmurs, rubs, or gallops. Abdominal examination shows a left-sided, nontender, smooth abdominal mass that does not cross the midline. The remainder of the examination shows no abnormalities. A complete blood count and serum concentrations of electrolytes, urea nitrogen, and creatinine are within the reference range. Which of the following is the most likely diagnosis?? A: Polycystic kidney disease, B: Lymphoma, C: Wilms tumor, D: Neuroblastoma, E: Renal cell carcinoma,  <response>: This is a clinical vignette describing a 4-year-old girl with a history of recurrent asthma and recent mild abdominal pain. On exam she has a left-sided abdominal mass. Lab tests are normal. The key finding is the left-sided abdominal mass in a young child. The differential diagnosis includes pediatric renal tumors like Wilms tumor, as well as other abdominal masses like lymphoma. However, Wilms tumor is the most common pediatric renal tumor and often presents as an asymptomatic abdominal mass.C: Wilms tumor 