The ________ system is an application used for storing and viewing captured digital radiology image files.

CCU stands for Coronary Care Unit, which is a physical hospital care environment for cardiac patients, not a software system for managing image files.

ICU stands for Intensive Care Unit, which is a clinical care setting for critically ill patients, not an application for storing or viewing radiology images.

DICOM (Digital Imaging and Communications in Medicine) is the international standard and file format that defines how medical images are formatted and transmitted, not the application system used to store and view those image files.

PACS stands for Picture Archiving and Communication System, which is the dedicated healthcare IT infrastructure specifically designed to capture, store, manage, and display digital medical imaging files such as X-rays, MRIs, and CT scans. It integrates with DICOM-compliant imaging devices and allows radiologists and clinicians to retrieve and view images from any networked workstation.