Diagnosis of kidney cancerf a patient has symptoms that suggest kidney cancer, the doctor may perform one or more of the following procedures: Physical exam: The doctor checks general signs of health and tests for fever and high blood pressure. The doctor also feels the abdomen and side for tumors. Urine tests: Urine is checked for blood and other signs of disease. Blood tests: The lab checks the blood to see how well the kidneys are working. The lab may check the level of several substances, such as creatinine. A high level of creatinine may mean the kidneys are not doing their job. Surgery: In most cases, based on the results of the CT scan, ultrasound, andx,-rays, the doctor has enough information to recommend surgery to remove part or all of the kidney. A pathologist makes...