Brain tumors are abnormal growths of cells in or around the brain. They can be primary (originating in the brain) or secondary (metastatic, spreading to the brain from cancer elsewhere). They can also ...

A mediastinal tumor is a growth that occurs in the space inside the chest, near organs such as the heart and lungs. Some of these tumors may cause symptoms, but some may not. When mediastinal tumors ...

Every single type of cancer, explained A cancer diagnosis can be both terrifying and confusing for those afflicted, as well ...

Brain tumor symptoms a Mayo Clinic doctor monitors in her own body include headaches, fatigue, nausea or vomiting and ...

Tumors are one of the most misunderstood diagnoses or conditions. While no one wants to be told they have one, many people don't realize that a tumor is nothing more than a clump of abnormal cells ...

The most common type of colon cancer is adenocarcinoma, which usually has a favorable outcome if diagnosed and treated early. Screening is an important tool for a prompt diagnosis. Colorectal cancer ...

There are three common types of skin cancer in the United States: basal cell carcinoma, squamous cell carcinoma and melanoma. Merkel cell carcinoma is a rare type of skin cancer. Fred Hutch Cancer ...

Lesions and lumps often appear in the mouth, but many of them are benign. While some may need to be removed, many don’t require any treatment at all. Benign oral cavity tumors are essentially ...

Benign tumors typically grow more slowly and may not invade nearby tissue the way malignant tumors do, but even benign tumors can cause serious problems by pressing on key nerves, arteries or the ...