Case 1: "A 43-year-old female presents with left eye pain for 4 months"
Case 2: "A 28-year-old female presents with productive cough for 1 year"
Case 3: "A 64-year-old male presents with bilateral hand and forearm swelling for 1 day"
Case 4: "A 52-year-old male presents with aphasia for 2 weeks"