[Carcinomas in situ of the breast]

In situ carcinomas of the breast represent a clinical reality of recent decades that oncologists have to face today. Their observation is rendered increasingly frequent thanks to the improvements made in radiological techniques for early diagnosis and mass screening, and better health education. Reference is made to cases of lobular and ductal in situ cancer observed at the Bologna Surgical Clinic. Recommendations are made with respect to the drawing up of a rational treatment plan.