Introduction: Kang Dong, male, Associate Chief Physician, born in March 1969 in Changchun City, Jilin Province. Graduated from Beihua University in 1993 with a degree in Clinical Medicine. He has been engaged in surgical medical practice, scientific research, and teaching for 10 years, accumulating rich clinical experience. He has extensive experience in managing hematologic diseases complicated by anorectal disorders, as well as in the early clinical and pathological diagnosis of rectal cancer. He possesses unique expertise in the pathological field of anorectal surgical specimens. He also participated in the compilation of "Unveiling Hemorrhoids" and is currently involved in multiple provincial research projects and natural science fund research initiatives. He has published and participated in academic exchanges with over 20 papers in various journals. Medical Career: Kang Dong, Associate Chief Physician, male, born in March 1969 in Changchun City, Jilin Province. Graduated from Beihua University in 1993 with a degree in Clinical Medicine. He has been engaged in surgical medical practice, scientific research, and teaching for 10 years, accumulating rich clinical experience. He has extensive experience in managing hematologic diseases complicated by anorectal disorders, as well as in the early clinical and pathological diagnosis of rectal cancer. He possesses unique expertise in the pathological field of anorectal surgical specimens. He also participated in the compilation of "Unveiling Hemorrhoids" and is currently involved in multiple provincial research projects and natural science fund research initiatives. He has published and participated in academic exchanges with over 20 papers in various journals. Research Activities: Participated in the compilation of "Unveiling Hemorrhoids" and is currently involved in multiple provincial research projects and natural science fund research initiatives. He has published and participated in academic exchanges with over 20 papers in various journals.