Case 1: "A 64-year-old woman presents with multiple subcutaneous nodules for 2 days"
Case 2: "A 34-year-old woman presents with left-sided chest pain for 5 days"
Case 3: "A 70-year-old female presents with back pain for 7 months"
Case 4: "A 47-year-old woman presents with fever and headache for 1 week"
Case 5: "A 33-year-old male presents with acute undifferentiated fever for 4 days"