Case 1: "A 52-year-old female presents with subacute progressive headache for 2 weeks"
Case 2: "A 30-year-old male presents with left leg swelling for 15 months"
Case 3: "A 53-year-old male presents with chest pain for 1 month"
Case 4: "A 58-year-old male presents with facial palsy for 1 year"
Case 5: "A 66-year-old female presents with fever for 1 month"