With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Adele released studio albums.
text_B: Fracture sonography is the use of medical ultrasound to detect bone fractures .. medical ultrasound. medical ultrasound. bone fractures. bone fractures. While medical ultrasound is used to visualize soft tissues like skin , organs , and blood vessels , fracture sonography is used to visualize fractures on only bone surfaces .. medical ultrasound. medical ultrasound. It is useful for children aged 12 or younger because all fractures cause alterations of the bone surface , and joint fractures are uncommon at such ages .. For joint fractures that are common in adult bones and can not be visualized properly , patients older than 12 years are not eligible for ultrasound fracture diagnosis .. The method is feasible for detecting fractures of the wrist , elbow , shoulder and clavicle .. The advantages of fracture sonography are the avoidance of radiation exposure , faster examinations , and the ability to use standard ultrasound devices , which are more widespread .. radiation exposure. Ionizing radiation. In the mentioned fields of application , ultrasound is as safe as X-ray diagnosis .
not_related.