This includes details about all treatments, tests, benefits and risks. If you agree to take part, you will be asked to sign this form. Signing a consent form does not mean you must stay in the study. If researchers learn that a treatment harms you, you will be taken off that treatment right away. If you choose to leave the study, you will have the chance to discuss other treatments and care with your own doctor or a doctor from the study.
Clinical trials have benefits and risks for the people who take part.
You should discuss these with your doctor before making a decision. The CIS is a program of the National Cancer Institute. These cancers make up nearly half of all diagnosed cancers and cancer deaths in the United States each year. Screening tests are done to find a disease early, before symptoms develop. The PLCO study will find out if certain cancer screening tests can reduce deaths.