Oral Presentation 13
Malignant Tumor Clinical Study 4

[O13-4] Retrospective study of poor prognostic cases in StageI, II oral squamous cell carcinoma

ASAKA Satoshi¹, SHOJI Hirobumi¹, MACHIDA Toshimasa¹, INOMATA Toru¹, YOSHIDA Kazumasa¹, FUJISHIRO Takeki¹, KOBAYASHI Ryuutaro¹, HENMI Takuo², IZUMO Toshiyuki^2</sup (1.Dept. of OMS, the Nippon Dental Univ. Hospital, Tokyo, Japan, 2.Division of Oral Diagnosis, Dental and Maxillofacial Radiology and Oral Pathology Diagnosis Service, the Nippon Dental Univ. Hospital, Tokyo, Japan)