| C30 | Malignant neoplasm of nasal cavity and middle ear |
| C30.0 | Malignant neoplasm of nasal cavity |
| C30.1 | Malignant neoplasm of middle ear |
| C31 | Malignant neoplasm of accessory sinuses |
| C31.0 | Malignant neoplasm of maxillary sinus |
| C31.1 | Malignant neoplasm of ethmoidal sinus |
| C31.2 | Malignant neoplasm of frontal sinus |
| C31.3 | Malignant neoplasm of sphenoid sinus |
| C31.8 | Malignant neoplasm of overlapping sites of accessory sinuses |
| C31.9 | Malignant neoplasm of accessory sinus, unspecified |
| C32 | Malignant neoplasm of larynx |
| C32.0 | Malignant neoplasm of glottis |
| C32.1 | Malignant neoplasm of supraglottis |
| C32.2 | Malignant neoplasm of subglottis |
| C32.3 | Malignant neoplasm of laryngeal cartilage |
| C32.8 | Malignant neoplasm of overlapping sites of larynx |
| C32.9 | Malignant neoplasm of larynx, unspecified |
| C33 | Malignant neoplasm of trachea |
| C34 | Malignant neoplasm of bronchus and lung |
| C34.0 | Malignant neoplasm of main bronchus |
| C34.00 | Malignant neoplasm of unspecified main bronchus |
| C34.01 | Malignant neoplasm of right main bronchus |
| C34.02 | Malignant neoplasm of left main bronchus |
| C34.1 | Malignant neoplasm of upper lobe, bronchus or lung |
| C34.10 | Malignant neoplasm of upper lobe, unspecified bronchus or lung |
| C34.11 | Malignant neoplasm of upper lobe, right bronchus or lung |
| C34.12 | Malignant neoplasm of upper lobe, left bronchus or lung |
| C34.2 | Malignant neoplasm of middle lobe, bronchus or lung |
| C34.3 | Malignant neoplasm of lower lobe, bronchus or lung |
| C34.30 | Malignant neoplasm of lower lobe, unspecified bronchus or lung |
| C34.31 | Malignant neoplasm of lower lobe, right bronchus or lung |
| C34.32 | Malignant neoplasm of lower lobe, left bronchus or lung |
| C34.8 | Malignant neoplasm of overlapping sites of bronchus and lung |
| C34.80 | Malignant neoplasm of overlapping sites of unspecified bronchus and lung |
| C34.81 | Malignant neoplasm of overlapping sites of right bronchus and lung |
| C34.82 | Malignant neoplasm of overlapping sites of left bronchus and lung |
| C34.9 | Malignant neoplasm of unspecified part of bronchus or lung |
| C34.90 | Malignant neoplasm of unspecified part of unspecified bronchus or lung |
| C34.91 | Malignant neoplasm of unspecified part of right bronchus or lung |
| C34.92 | Malignant neoplasm of unspecified part of left bronchus or lung |
| C37 | Malignant neoplasm of thymus |
| C38 | Malignant neoplasm of heart, mediastinum and pleura |
| C38.0 | Malignant neoplasm of heart |
| C38.1 | Malignant neoplasm of anterior mediastinum |
| C38.2 | Malignant neoplasm of posterior mediastinum |
| C38.3 | Malignant neoplasm of mediastinum, part unspecified |
| C38.4 | Malignant neoplasm of pleura |
| C38.8 | Malignant neoplasm of overlapping sites of heart, mediastinum and pleura |
| C39 | Malignant neoplasm of other and ill-defined sites in the respiratory system and intrathoracic organs |
| C39.0 | Malignant neoplasm of upper respiratory tract, part unspecified |
| C39.9 | Malignant neoplasm of lower respiratory tract, part unspecified |