COVID-19 Updates: Please know that patient safety remains our top priority. Extra steps are being taken to keep you safe.
Please call 716.631.2500 to schedule an appointment.  Click here to learn more.

Category "Glossary"

An unexpected medical problem that happens during treatment with a drug or other therapy. Adverse
effects do not have to be caused by the drug or therapy, and they may be mild, moderate, or severe.
Also called adverse event.

An unexpected medical problem that happens during treatment with a drug or other therapy. Adverse
events do not have to be caused by the drug or therapy, and they may be mild, moderate, or severe.
Also called adverse effect.

In medicine, describes a tumor or disease that forms, grows, or spreads quickly. It may also describe
treatment that is more severe or intense than usual.

A system to describe the amount and spread of cancer in a patient’s body, using TNM. T describes
the size of the tumor and any spread of cancer into nearby tissue; N describes spread of cancer to
nearby lymph nodes; and M describes metastasis (spread of cancer to other parts of the body). This
system was created and is updated by the American Joint Committee on Cancer (AJCC) and the
International Union Against Cancer (UICC). The AJCC staging system is used to describe most types
of cancer. Also called TNM staging system.

A benign (not cancer) condition in which there are more cells than normal in the breast lobules and
the cells look abnormal under a microscope. Having ALH increases the risk of breast cancer. Also
called atypical lobular breast hyperplasia and atypical lobular hyperplasia.

A hypersensitive immune reaction to a substance that normally is harmless or would not cause an
immune response in most people. An allergic response may cause harmful symptoms such as itching
or inflammation or tissue injury.