A patient goes to the gynecologist's office after finding a lumpin her breast. A mammogram is performed and a tumor is found. Priorto the mammogram, the nurse questions the patient about otherfamily members that have been diagnosed with breast cancer. What isthe rationale for this question and what is its significance?Descibe the term carcinoma in situ. Explain how grading and stagingof tumors is determined. How does staging of tumors affecttreatment options? What are the benefits of breast cancerscreenings and early detection?