A comprehensive set of questionnaires and tasks, or assessments, have been put together in order for doctors and nurses to learn more about the day to day functioning of newly diagnosed adult cancer patients. The investigators would also like to follow up with the same adult patients, during and following completion of their cancer treatment, to learn about the kinds of treatments they received and how their cognitive status and level of participation in activities of daily living has changed. With follow-up assessments, doctors and nurses can learn more about the complications or health problems that adult patients may experience as a result of undergoing cancer therapy. This is a study involving two visits. The first visit occurs within two weeks before starting your cancer therapy, specifically chemotherapy. The second visit occurs within two weeks of completing your chemotherapy.