Lung cancer

Lung cancer

Definition This is primary lung malignancy that arises from the lung tissue. There are several types of primary cancer of the lung including squamous cell carcinoma, adenocarcinoma, small cell carcinoma, and large cell carcinoma. Here are some of the listed types Adenocarcinomas: These types of cancers are common in North America and Japan. They tend …

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Tooth discoloration; what causes it

Tooth discoloration; what causes it

Tooth discoloration is the change in color from the normal white enamel to the darkening or brownish discoloration. Persistent tooth discoloration can also occur as a result of the gradual thinning of the enamel layer of the tooth. This thinning allows for more yellow -brown dentin formation underneath becoming visible. This is called amelogenesis imperfecta …

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