The Department of Clinical Oncology is internationally-renowned for conducting clinical research in nasopharyngeal carcinoma with respect to the study of concurrent chemoradiotherapy, application of IMRT as well as evaluation of functional imaging in treatment response and prognostication. Together with the Laboratory of Cancer Genetics and the Laboratory of Cancer Molecular Genomics, the department is devoted to deciphering the mechanism underlying carcinogenesis, especially in nasopharyngeal carcinoma, esophageal carcinoma and hepatocellular carcinoma. Enormous work involving the identification various oncogenes and tumor-suppressor genes have been published in major peer-reviewed journals. The emerging themes of research also involved personalized medicine in breast, lung and gastrointestinal carcinoma.