
Benign neoplasm of respiratory and intrathoracic organs

Benign neoplasm of nasal cavities middle ear and accessory sinuses

Benign neoplasm of larynx

Benign neoplasm of trachea

Benign neoplasm of bronchus and lung

Benign neoplasm of pleura

Benign neoplasm of mediastinum
- Abnormal growth of the cells of the tissues contained within the mediastinum (e.g., thymus) without evidence of malignancy.

Benign neoplasm of thymus

Benign neoplasm of heart
- Abnormal growth of the cells comprising the cardiac muscle, valves, and/or vessels without any malignant characteristics

Benign neoplasm of other specified sites of respiratory and intrathoracic organs

Benign neoplasm of respiratory and intrathoracic organs site unspecified