<prompt> Which of the following breast tumor is bilateralColloid carcinomaInvasive ductualr carcinomaInvasive Lobular carcinomaMedullary carcinoma  <response>: Refer Robbins page no 1059 Invasive ductal carcinoma was repoed to be the most common type found in 10 71.5 breasts. Grade III breast carcinoma was revealed in 9 and Grade I cancer in 3 specimens. CONCLUSION: Bilateral breast cancer is invariably advanced when diagnosed. Mammogram is a valuable tool in early detection.. 