Calculate the percentage of patients in each category by using the report generated by the cancer registry. You may refer back to the report by clicking its button located on the computer monitor. There is also a calculator tool for your convenience. When you calculate the percentages, enter them into the boxes to the right (rounded to the nearest tenth) and click Submit to check your answers. Percentage of Patients: Cancer of the Breast % Treated Surgically Only % Treated Surgically \& Radiation % Treated Surgically \& Chemotherapy % Treated Surgically \& Radiation \& Chemotherapy %