[Solved] Teachers should decide how they will evaluate learning when they write lesson objectives. Breast Biopsy: A diagnostic procedure involving the removal of tissue or cells from the breast to examine the presence or extent of disease, typically cancer. Malignancy: The presence of cancerous cells that have the ability to grow uncontrollably and spread to other parts of the body. Eyepieces: Optical lenses located at the viewing end of a telescope, microscope, or other optical instruments, through which the user looks. Magnifying Lens: An optical instrument designed to enlarge the appearance of objects or text, making details more visible to the naked eye.