In general, the correlation among the effects of cancer screening on cancer-precise mortality and stages III-IV cancer incidence different across trials and by cancer sort. Five trials (12%) observed that the specific screening modality below investigation was related to a reduction in cancer mortality and incidence of stages III-IV cancer; https://volunteer-for-a-clinical58024.blogofoto.com/57782784/helping-the-others-realize-the-advantages-of-participate-in-a-medical-study