Carcinosarcoma is a rare and aggressive cancer that usually affects women in post menopausae; it represents 3% of all uterine neoplasms. Carcinosarcoma is a biphasic tumor characterized by a double component: a carcinomatous and a sarcomatous one, in variable amount of percentage from case to case. In the present article, a very rare case of primitive peritoneal carcinosarcoma is described in an 86-year-old woman, with senile atrophy of the uterus.

Renal cell carcinoma (RCC) is the most lethal pathology affecting the urinary system, especially in people over 65 years and with an incidence of about 2% per year. RCC can be classified according to histological findings, cytogenetic abnormalities, biological features and response to therapy. This article reports an extremely rare case of clear cell RCC in a 73 years old male patient with metastasis in the breast and in the bronchi, presented 15 years after surgical resection of primitive renal tumor.