CNRI / SCIENCE PHOTO LIBRARY CNRI / SCIENCE PHOTO LIBRARY
Mouth cancer. Light micrograph of a section through a malignant (cancerous) epithelioma in a tongue. Epitheliomas are abnormal growths of epithelial tissue. They can be benign (non-cancerous) growths or malignant carcinomas (cancer). The most common epitheliomas are basal cell carcinomas and squamous cell carcinomas (skin cancers).
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