Dr Cai is board certified in anatomic and clinical pathology and dermatopathology. He earned his medical degree from Zhejiang University School of Medicine, Hangzhou, China. Dr Cai completed his dermatology residency training at the Second Affiliated Hospital of Zhejiang Medical University and his anatomic and clinical pathology residency training at the University of Tennessee Health Science Center in Memphis, where he also completed a dermatopathology fellowship. Dr Cai has published several papers in the field of dermatopathology.