Lung Cancer - Classification


Age-adjusted incidence of lung cancer by histological type
Type">Histological type Incidence (per 100,000 per year)
All types 66.9
Adenocarcinoma 22.1
Squamous-cell carcinoma 14.4
Small-cell carcinoma 9.8

Lung cancers are classified according to histological type. This classification has important implications for clinical management and prognosis of the disease. The vast majority of lung cancers are carcinomas—malignancies that arise from epithelial cells. Lung carcinomas are categorized by the size and appearance of the malignant cells seen by a histopathologist under a microscope. The two broad classes are non-small-cell and small-cell lung carcinoma.

Read more about this topic:  Lung Cancer

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