There is no such thing as the best instrument for breast examination, only the most suitable examination method for the patient. If the patient is 16 years old, infrared light examination can be used. If the patient is between the ages of 20 and 35, a color ultrasound of the breast may be performed. If older than 35 and symptomatic, consider a mammogram. Breast examinations also include mammography, which is performed for the presence of multiple lesions in the breast and for preoperative evaluation of breast-conserving surgery for breast cancer, as well as ductoscopy to check for nipple discharge. All of the above tests are symptom-specific for diagnosis and treatment, so if a patient needs a test, they can choose the most appropriate method.