Solid Tumors
A solid tumor is an abnormal mass of tissue that usually does not contain cysts (a small closed sac) or liquid areas. Solid tumors may be benign (not cancer) or malignant (cancer). Different types of solid tumors are named from the type of cells that form them. Examples of solid tumors are sarcomas (from bone, cartilage, fat, muscle), carcinomas (from epithelial cells) and lymphomas (from lymphocytes, a type of white blood cell). Leukemias (cancers of the blood) generally do not form solid tumors.
Clinical trials
A ‘clinical trial’ is a research study in which people agree to test a potential new treatment to prevent or improve a disease or medical condition. A clinical trial also looks at how participants react to the potential new treatment and if any unwanted effects occur. This helps to determine if the new investigational treatment works, is safe, and is better than those that are already available. Many clinical trials also compare existing treatments or test new ways to use or combine existing treatments.
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