system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
A 31-year-old woman presents to the emergency room with high-grade fever and abdominal pain for the past 2 days. She also complains of malaise and has vomited several times since last night. The past medical history is benign. The vital signs include: temperature 40.0°C (104.0°F), pulse 120/min, respiratory rate 28/min, and blood pressure 120/89 mm Hg. On physical examination, severe costovertebral angle tenderness is noted. She is admitted to the medical floor and blood is drawn. The laboratory testing reveals leukocytosis with predominant neutrophilia and increased C-reactive protein and ferritin levels. She is suspected to have a retroperitoneal organ infection. Which of the following best describes the involved organ?
assistant
It is composed of tubules and parenchyma.