According to this study, severe dysplasia and some moderate dysplasia were precancerous lesions.
According to this study, severe dysplasia and some moderate dysplasia were precancerous lesions.
对141例采用内镜粘膜切除术，其中22例随诊满5年，其5年生存率为100％。
According to this study, severe dysplasia and some moderate dysplasia were precancerous lesions.
对141例采用内镜粘膜切除术，其中22例随诊满5年，其5年生存率为100％。