Second Malignancy Risk in Patients with Bronchopulmonary Carcinoids: Epidemiological Results from Italian Network of Cancer Registries

A high frequency of STs is predictable in patients with BCs, with synchronous thyroid tumors being observed in women and kidney and urinary bladder tumors in men. However, these data should be interpreted with caution, considering that the diagnosis of such tumors often occurs as an incidental finding during investigations for other malignancies.