Index of suspicion: Case 1: Abdominal trauma, pain, and tenderness associated with anemia and hematuria in a 14-year-old boy. Case 2: Ptosis, diplopia, tremors, and mild exophthalmos in a 9-year-old girl. Case 3: Persistent cough, shortness of breath, and localized decreased aeration in an 18-year-old girl.