1 Department of Ultrasound, Affiliated Dongguan Hospital, Southern Medical University, Dongguan People's Hospital, Dongguan,China. chenguiwu_6996@163.com.
2 Department of Ultrasound, Affiliated Dongguan Hospital, Southern Medical University, Dongguan People's Hospital, Dongguan,China. studyliuwq@163.com.
3 Department of Pathology, Affiliated Dongguan Hospital, Southern Medical University, Dongguan People's Hospital, Dongguan, China. liaoxiaomin0203@163.com.
4 Department of Pathology, Affiliated Dongguan Hospital, Southern Medical University, Dongguan People's Hospital, Dongguan, China. xieyuhuan0989@126.com.