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Table 20.28

Cancer of the Oral Cavity and Pharynx (Invasive)

Percent Distribution and Counts by Histology among Histologically Confirmed Cases, 2012-2016
All Races, Both Sexes, by site

Histologya Oral Cavity
and Pharynx
Lip Tongue Salivary Gland Floor of Mouth
Count Percent Count Percent Count Percent Count Percent Count Percent
Epidermoid carcinomab (8051-8131) 63,339 85.4% 3,814 94.3% 22,466 97.7% 1,766 21.6% 3,088 95.8%
Squamous cell carcinoma (8070-8078,8083-8084) 61,917 83.5% 3,608 89.2% 22,108 96.1% 1,685 20.6% 3,055 94.8%
Adenocarcinomac 7,315 9.9% 166 4.1% 277 1.2% 5,108 62.5% 109 3.4%
Other specific carcinomas d 673 0.9% - - 65 0.3% 414 5.1% - -
Unspecified, Carcinoma, NOS (8010-8011,8020-8022) 1,948 2.6% - - 104 0.5% 550 6.7% - -
Sarcoma and soft tissuee 233 0.3% - - 34 0.1% 53 0.6% - -
Other specific typesf 413 0.6% 36 0.9% - - 205 2.5% - -
Unspecified (8000-8005) 244 0.3% - - 42 0.2% 76 0.9% - -
Total 74,166 100.0% 4,044 100.0% 23,000 100.0% 8,172 100.0% 3,224 100.0%

Percent Distribution and Counts by Histology among Histologically Confirmed Cases, 2012-2016
All Races, Both Sexes, by site

Histologya Gum and
Other Mouth
Nasopharynx Oropharynx
and Tonsil
Hypopharynx Other
Oral Cavity
and Pharynx
Count Percent Count Percent Count Percent Count Percent Count Percent
Epidermoid carcinomab (8051-8131) 8,194 82.7% 2,605 67.2% 16,315 98.3% 3,677 97.3% 1,414 90.0%
Squamous cell carcinoma (8070-8078,8083-8084) 7,805 78.8% 2,454 63.3% 16,150 97.3% 3,648 96.5% 1,404 89.4%
Adenocarcinomac 1,400 14.1% 122 3.1% 86 0.5% 21 0.6% 26 1.7%
Other specific carcinomasd 46 0.5% 38 1.0% 47 0.3% 33 0.9% 17 1.1%
Unspecified, Carcinoma, NOS (8010-8011,8020-8022) 70 0.7% 1,037 26.7% 88 0.5% 23 0.6% 59 3.8%
Sarcoma and soft tissuee 46 0.5% 46 1.2% 17 0.1% 17 0.4% - -
Other specific typesf 125 1.3% - - - - - - - -
Unspecified (8000-8005) 23 0.2% 16 0.4% 28 0.2% - - 42 2.7%
Total 9,905 100.0% 3,878 100.0% 16,592 100.0% 3,780 100.0% 1,571 100.0%

Footnotes:

Source: SEER 21 areas (San Francisco, Connecticut, Detroit, Hawaii, Iowa, New Mexico, Seattle, Utah, Atlanta, San Jose-Monterey, Los Angeles, Alaska Native Registry, Rural Georgia, California excluding SF/SJM/LA, Kentucky, Louisiana, New Jersey, Georgia excluding ATL/RG, Idaho, New York and Massachusetts). Percents may not sum to 100 due to rounding.

a Excludes Kaposi Sarcoma, mesothelioma, lymphomas, leukemias, myelomas, lymphoreticular, and immunoproliferative diseases.

b Epidermoid carcinoma includes squamous, basal, and transitional cell carcinomas.

c Adenocarcinoma includes histologies 8050, 8140-8147, 8160-8162, 8180-8221, 8250-8507, 8514, 8520-8551, 8560, 8570-8574, 8576, 8940-8941.

d Other specific carcinomas includes histologies 8012-8015, 8030-8046, 8150-8155, 8170-8180, 8230-8249, 8508, 8510-8513, 8561-8562, 8575, 8580-8671

e Sarcoma and soft tissue includes histologies 8680-8713, 8800-8921, 8990-8991, 9040-9044, 9120-9136, 9150-9252, 9370-9373, 9540-9582.

f Other specific types includes histologies 8720-8790, 8930-8936, 8950-8983, 9060-9110, 9260-9365, 9380-9539.

- Statistic not shown due to fewer than 16 cases during the time period.

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