This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
[{'content': 'Which statement(s) is/are true about neuroblastoma with respect to wilms tumor – \nSelect and explain. \nA. Neuroblastoma causes displacement of kidney inferolaterally without distortion of collecting system, B. Aortic and IVC invasion by neuroblastoma, C. Neuroblastoma crossing mid line, D. All of these', 'role': 'user'}, {'content': "Answer: D \nExplanation: Wilm's Tumor\nNeuroblastoma\n\n\nAge\nPreschool\nPreschool\n\n\nClinical features\nUnilateral flank mass(asymptomatic abdominal mass),abdominal pain,hematuria, hypertension, fever, anorexia, vomiting\nAbdominal mass,GI or genitourinary obstruction, proptosis, fever, bone pain, spinal cord compression, diarrhea, flushing, opsoclonus, myoclonus, headache\n\n\nCalcification\nLess commom (15%)\nMore than (85%) & punctate\n\n\nMidline\nNot crossed (confined to one side)\nCrossed\n\n\nAortic / IVC invasion\nAbsent\nPresent\n\n\nSpinal extension\nAbsent\nPresent\n\n\nDistortion of calyces\nVery common (90%)\nNot seen\n\n\nHydronephrosis\nMore common (40%)\nLess common(26%)\n\n\nHydronephrosis\nNo (always intrarenal)\nNeuroblastoma may occur at extrarenal sites.\n\n\nRetroperitoneal lymphadenopathy\nLess common (13%)\nMore coomon(73%)\n\n\nRetrocrural lymphadenopathy\nNo(0%)\nPresent(30%)\n\n\nLiver metastasis\nNo(0%)\nPresent(18%)", 'role': 'assistant'}]