Chapter II


Malignant neoplasms

Malignant neoplasms, stated or presumed to be primary, of specified sites, except of lymphoid, haematopoietic and related tissue

Malignant neoplasms of respiratory and intrathoracic organs

Includes: middle ear
Excludes: mesothelioma ( C45.- )

C30 Malignant neoplasm of nasal cavity and middle ear
C30.0 Nasal cavity
Cartilage of nose
Concha, nasal
Internal nose
Septum of nose
Vestibule of nose
Excludes: nasal bone ( C41.0 )
nose NOS ( C76.0 )
olfactory bulb ( C72.2 )
posterior margin of nasal septum and choana ( C11.3 )
skin of nose ( C43.3 , C44.3 )
C30.1 Middle ear
Eustachian tube
Inner ear
Mastoid air cells
Excludes: auricular canal (external) ( C43.2 , C44.2 )
bone of ear (meatus) ( C41.0 )
cartilage of ear ( C49.0 )
skin of (external) ear ( C43.2 , C44.2 )

C31 Malignant neoplasm of accessory sinuses
C31.0 Maxillary sinus
Antrum (Highmore)(maxillary)
C31.1 Ethmoidal sinus
C31.2 Frontal sinus
C31.3 Sphenoidal sinus
C31.8 Overlapping lesion of accessory sinuses
[See note 5 at the beginning of this chapter]
C31.9 Accessory sinus, unspecified

C32 Malignant neoplasm of larynx
C32.0 Glottis
Intrinsic larynx
Vocal cord (true) NOS
C32.1 Supraglottis
Aryepiglottic fold, laryngeal aspect
Epiglottis (suprahyoid portion) NOS
Extrinsic larynx
False vocal cord
Posterior (laryngeal) surface of epiglottis
Ventricular bands
Excludes: anterior surface of epiglottis ( C10.1 )
aryepiglottic fold:
· NOS ( C13.1 )
· hypopharyngeal aspect ( C13.1 )
· marginal zone ( C13.1 )
C32.2 Subglottis
C32.3 Laryngeal cartilage
C32.8 Overlapping lesion of larynx
[See note 5 at the beginning of this chapter]
C32.9 Larynx, unspecified

C33 Malignant neoplasm of trachea

C34 Malignant neoplasm of bronchus and lung
C34.0 Main bronchus
Hilus (of lung)
C34.1 Upper lobe, bronchus or lung
C34.2 Middle lobe, bronchus or lung
C34.3 Lower lobe, bronchus or lung
C34.8 Overlapping lesion of bronchus and lung
[See note 5 at the beginning of this chapter]
C34.9 Bronchus or lung, unspecified

C37 Malignant neoplasm of thymus
C38 Malignant neoplasm of heart, mediastinum and pleura
Excludes: mesothelioma ( C45.- )
C38.0 Heart
Excludes: great vessels ( C49.3 )
C38.1 Anterior mediastinum
C38.2 Posterior mediastinum
C38.3 Mediastinum, part unspecified
C38.4 Pleura
C38.8 Overlapping lesion of heart, mediastinum and pleura
[See note 5 at the beginning of this chapter]

C39 Malignant neoplasm of other and ill-defined sites in the respiratory system and intrathoracic organs
Excludes: intrathoracic NOS ( C76.1 )
thoracic NOS ( C76.1 )
C39.0 Upper respiratory tract, part unspecified
C39.8 Overlapping lesion of respiratory and intrathoracic organs
[See note 5 at the beginning of this chapter]
Malignant neoplasm of respiratory and intrathoracic organs whose point of origin cannot be classified to any one of the categories C30-C39.0
C39.9 Ill-defined sites within the respiratory system
Respiratory tract NOS