Case 1: "A 62-year-old female kidney transplant recipient presents with blurred vision for 2 days"
Case 2: "A 46-year-old man presents with progressive dyspnea for 1 months"
Case 3: "A 53-year-old man presents with abdominal pain for 6 months"
Case 4: "An 80-year-old woman presents with acute right hemiparesis and global aphasia for 15 minutes"
Case 5: "A 69-year-old heart transplant woman presents with fever for 1 day"
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