Carcinoma, Papillary, Follicular

**Definition:** A thyroid neoplasm of mixed papillary and follicular arrangement. Its biological behavior and prognosis is the same as that of a papillary adenocarcinoma of the thyroid. (From DeVita Jr et al., Cancer: Principles & Practice of Oncology, 3d ed, p1271)

**Tree numbers:** - C04.557.470.200.025.060.225 - C04.557.470.200.025.085.225