LARYNX, SUPRAGLOTTIS (67321)    ICDO TOPOGRAPHY (164)

• CBA
  CODE:   TX
• NET
  CODE:   T0
• Carcinoma 'in situ'
  CODE:   Tis
• 1 subsite w normal voc cord mobility
  CODE:   T1
• Mucosa of > 1 subsite w/o fix of larynx
  CODE:   T2
• Larynx w voc cord fix/postcriod, pre-epiglottic
  CODE:   T3
• Thyroid cartilage/neck, thyroid, esophagus
  CODE:   T4
• NA
  CODE:   NA

Primary Tumor (T)
      outside the supraglottis (e.g., mucosa of base
      of tongue, vallecula, medial wall of pyriform
      sinuses) without fixation of the larynx
T3  Tumor limited to larynx with vocal cord
      fixation and/or invades any of the following:
      postcricoid area, pre-epiglottic tissues
T4  Tumor invades through the thyroid cartilage,
     and/or extends into soft tissues of the neck,
     thyroid, and/or esophagus
     
TX  Primary tumor cannot be assessed
T0  No evidence of primary tumor
Tis Carcinoma 'in situ'
T1  Tumor limited to one subsite of supraglottis
      with normal vocal cord mobility
T2  Tumor invades mucosa of more than one adjacent
      subsite of supraglottis or glottis or region

Regional Lymph Nodes (N)
      greatest dimension
N2b Metastasis in multiple ipsilateral lymph nodes,
      none more than 6 cm in greatest dimension
N2c Metastasis in bilateral or contralateral lymph
      nodes, none more than 6 cm in greatest dimension
N3  Metastasis in a lymph node more than 6 cm in
      greatest dimension

NX  Regional lymph nodes cannot be assessed
N0  No regional lymph node metastasis
N1  Metastasis in a single ipsilateral lymph node,
      3 cm or less in greatest dimension
N2  Choose from N2a, N2b or N2c
N2a Metastasis in a single ipsilateral lymph node
      more than 3 cm but not more than 6 cm in

• DESCRIPTION:   CBA
  CODE:   TX
• DESCRIPTION:   NET
  CODE:   T0
• DESCRIPTION:   CIS
  CODE:   Tis
• DESCRIPTION:   1 subsite w normal voc cord mobility
  CODE:   T1
• DESCRIPTION:   Mucosa of > 1 subsite w/o fix of larynx
  CODE:   T2
• DESCRIPTION:   Larynx w voc cord fix/postcriod, pre-epiglottic
  CODE:   T3
• DESCRIPTION:   Invasion through thryroid cartilage/beyond larynx
  CODE:   T4a
• DESCRIPTION:   Invades prevertebral space/carotid/mediastinal
  CODE:   T4b
• DESCRIPTION:   NA
  CODE:   NA

Primary Tumor (T)
      outside the supraglottis (e.g., mucosa of base
      of tongue, vallecula, medial wall of pyriform
      sinuses) without fixation of the larynx
T3  Tumor limited to larynx with vocal cord
      fixation and/or invades any of the following:
      postcricoid area, pre-epiglottic tissues,
      paraglottic space, and/or minor thyroid
      cartilage erosion (e.g. inner cortex)
T4a Tumor invades through the thyroid cartilage
     and/or invades tissues beyond the larynx (eg,
     
     trachea, soft tissues of the neck including deep
     extrinsic muscle of the tongue, strap muscles,
     thyroid, or esophagus)
T4b Tumor invades prevertebral space, encases
      carotid artery, or invades mediastinal structures
TX  Primary tumor cannot be assessed
T0  No evidence of primary tumor
Tis Carcinoma 'in situ'
T1  Tumor limited to one subsite of supraglottis
      with normal vocal cord mobility
T2  Tumor invades mucosa of more than one adjacent
      subsite of supraglottis or glottis or region

• T-CODE:   X
• T-CODE:   IS
• T-CODE:   4A
• T-CODE:   4B

Primary Tumor (T)
      mucosa of base of tongue, vallecula, medial wall of pyriform sinus)
      without fixation of the larynx
T3   Tumor limited to larynx with vocal cord fixation and/or invades any
      of the following: postcricoid area, pre-epiglottic space,
      paraglottic space, and/or inner cortex of thyroid cartilage.
T4a  Moderately advanced local disease.
     Tumor invades through the thyroid cartilage and /or invades tissues
      beyond the larynx (e.g., trachea, soft tissues of neck including
      deep extrinsic muscle of the tongue, strap muscles, thyroid, or
      esophagus)
      
T4b  Very advanced local disease.
     Tumor invades prevertebral space, encases carotid artery, or
      invades mediastinal structures
TX   Primary tumor cannot be assessed
T0   No evidence of primary tumor
Tis  Carcinoma in situ
T1   Tumor limited to one subsite of supraglottis with normal vocal cord 
      mobility
T2   Tumor invades mucosa of more than one adjacent subsite of
      supraglottis or glottis or region outside the supraglottis (e.g.,

• N-CODE:   X
• N-CODE:   2A
• N-CODE:   2B
• N-CODE:   2C

Regional Lymph Nodes (N)
      bilateral or contralateral lymph nodes, none more than 6 cm in
      greatest dimension
N2a  Metastasis in a single ipsilateral lymph node, more than 3 cm but not
      more than 6 cm in greatest dimension
N2b  Metastasis in multiple ipsilateral lymph nodes, none more than 6 cm
      in greatest dimension
N2c  Metastasis in bilateral or contralateral lymph
      nodes, none more than 6 cm in greatest dimension
N3   Metastasis in a lymph node, more than 6 cm in greatest dimension
 
NX   Regional lymph nodes cannot be assessed
N0   No regional lymph node metastasis
N1   Metastasis in a single ipsilateral lymph node, 3 cm or less in
      greatest dimension
N2   Metastasis in a single ipsilateral lymph node, more than 3 cm but not
      more than 6 cm in greatest dimension, or in multiple ipsilateral
      lymph nodes, none more than 6 cm in greatest dimension, or in

• EPIGLOTTIS, NOS
• EXTRINSIC LARYNX
• LARYNGEAL/ARYEPIGLOT FOLD
• POSTERIOR SURFACE EPIGLOT
• VENTRICULAR BAND/LARYNX
• FALSE VOCAL CORD
• FALSE CORD

• CBA
  CODE:   TX
  ACOS CODE:   TX
• NA
  CODE:   NA
  ACOS CODE:   NA
• NET
  CODE:   T0
  ACOS CODE:   T0
• Carcinoma 'in situ'
  CODE:   Tis
  ACOS CODE:   TIS
• 1 subsite w vocal cord mobility
  CODE:   T1
  ACOS CODE:   T1
• > 1 subsite w vocal cord mobility
  CODE:   T2
  ACOS CODE:   T2
• Limited to larynx w vocal cord fixation
  CODE:   T3
  ACOS CODE:   T3
• Thyroid cartilage/beyond the larynx
  CODE:   T4
  ACOS CODE:   T4

• NCA
  CODE:   NX
  ACOS CODE:   NX
• NRN
  CODE:   N0
  ACOS CODE:   N0
• 1 ipsilateral, 3 cm or less
  CODE:   N1
  ACOS CODE:   N1
• N2a, N2b or N2c
  CODE:   N2
  ACOS CODE:   N2
• 1 ipsilateral, > 3 but not > 6 cm
  CODE:   N2a
  ACOS CODE:   N2A
• Multiple ipsilateral, none > 6 cm
  CODE:   N2b
  ACOS CODE:   N2B
• Bilateral/contralateral, none > 6 cm
  CODE:   N2c
  ACOS CODE:   N2C
• > 6 cm
  CODE:   N3
  ACOS CODE:   N3
• NA
  CODE:   NA
  ACOS CODE:   NA