Dr. Zhang is currently serving as the Professor of Pathology and laboratory medicine at the Hospital of the University of Pennsylvania. His Clinical expertise lies on the field of diagnostic pathology in soft tissue tumor, sarcoma and cancers of breast, GYN tract, pulmonary tract, ENT. Diagnostic immmunohistochemical and in-situ hybridization. Evaluation of tumor markers for personalized treatment in surgical specimen.

Dr. Zhang's Research expertise lies in the field of Various tumor markers in diagnostic and prognositc application. In-situ molecular morphometry in tumor diagnosis and prognosis. Hypoxia in sarcoma. Translational research in sarcoma. Growth factors receptors in breast cancer. Mechanism of lymphangionesis and lymphatic invasion in cancer. The significance and determination of host immunoresponse on surgical specimen in cancer patients' prognosis.