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. Author manuscript; available in PMC: 2021 May 15.
Published in final edited form as: Clin Cancer Res. 2020 Sep 17;26(22):5860–5868. doi: 10.1158/1078-0432.CCR-20-2276

Figure 1:

Figure 1:

Three example cases of pathologic responses of premalignant lesions of the oral cavity before treatment (Pre-Tx) and after 6 months of treatment (Post-Tx) with green tea PPE and erlotinib. Case #16 was moderate dysplasia before treatment (Pre-Tx) that became mild dysplasia (pathologic partial response) after treatment (Post-Tx). Case #3 was mild dysplasia Pre-Tx and improved to no dysplasia Post-Tx (pathologic complete response). Case #24 was severe dysplasia/carcinoma in situ (CIS) Pre-Tx that also improved to no dysplasia Post-Tx (pathologic complete response) (200X Magnification).