Her ankles had swelled to the size of tree trunks after a plane ride back from a business trip in April, but the tests for diabetes -- his first thought -- had come back negative.

• 她在4月出差乘飞机回来后，她的踝关节开始增大到树干大小，但医生起初认为她患了糖尿病，但化验结果却显示为阴性。