A type of surgery that is used to remove as much of the cancer as possible to make chemotherapy or radiation possible or more effective. Debulking may be performed when it is not possible to remove all of a tumor.
A persistent feeling of sadness, loss of interest or pleasure, feelings of guilt or low self-worth, disturbed sleep or appetite, tiredness and poor concentration. Mild depression can often be treated without medicines but people with moderate or severe depression may need long-term treatment with medications, professional psychological counselling, or both.
In normal cells, differentiation is the process that changes a general, less specialized cell to a more specialized cell that has a specific job in the body. In tumor cells, differentiation refers to how developed the cells are. Differentiated tumor cells look like normal cells. Undifferentiated, or poorly differentiated, tumor cells don’t have the structure of normal cells, and don’t work the way normal cells do. Poorly differentiated tumor cells usually have a better chance of being malignant.
A medical device consisting of a long, thin, flexible tube that has a light and a video camera at the end and is inserted into the body via the mouth. Endoscopes can be used to look for cancers that cause no symptoms. They can also be used to collect a sample of tissue (biopsy) for further examination.