Messages from Kennichi Kakudo, MD, PhD to a person to be an expert of the cytopathology

Professor Zhiyan Liu, chairman, department of pathology, Shanghai Sixth People’s Hospital affiliated to Shanghai Jiao Tong University School of Medicine, held the 7^th Thyroid Pathology Congress in Shanghai, The first day program is attached. I participated with my lecture on papillary thyroid carcinoma in the 5^thedition WHO classification.