Small Cell Carcinoma
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![Lungs_Neoplastic_SmallCellCA2.jpg](/slides-13/slides/Lungs_Neoplastic_SmallCellCA2.jpg)
Comments:
Nests of tumor cells are seen filling up the alveolar spaces. Small cell carcinomas have a much stronger relationship with cigarette smoking than squamous cell and adenocarcinomas. It has been estimated that less than 1% of small cell carcinomas occur in non-smokers. The cells in small cell carcinoma exhibit neither glandular nor squamous differentiation by definition.