Adjuvant therapy: To lower the risk of cancer coming back (relapse) sometimes additional treatment is given after the main treatment. This is called adjuvant chemotherapy and may include chemotherapy radiotherapy targeted therapy hormone therapy or biological therapy. For e.g. in some cancers chemotherapy is given to shrink the tumour to minimise the destruction and increase effectiveness of surgery or radiotherapy. Adenoma: A benign tumour of gland-like cells of the tissue that covers organs glands and other structures within the body. Adenoma may be seen in organs like colon thyroid prostate adrenal glands pituitary gland etc. They may compress other structures