For these cancer types, screening programs for early detection have been implemented and there are more treatment opportunities.
2
癌症专家对于近几年关于常规筛查发现特定早期肿瘤的价值有第二种看法。
Cancer experts have been having second thoughts in recent years about the value of regular screening to detect certain types of cancer in its early stages.
Methods we reviewed Chinese literatures on early diagnosis and screening of colorectal carcinoma during recent 35 years and compared them with guidelines abroad.