Identifying clinical factors such as medication, background diseases and blood tests that effect the course of disease in cancer patients can help physicians to better decide on the patient's treatment plan. The study seeks to identify and analyze relevant clinical factors that effect the course of the disease and the results of treatment in patients with cancers of the prostate, bladder and kidney.

Inclusion Criteria:

• All patients with prostate, bladder or kidney cancer that are being treated at the Meir Medical Center and are over 18 years of age.

Exclusion Criteria:

• Patients under the age of 18

Patients suffering from kidney, bladder or prostate cancer who are being treated at the Meir Medical Center.