DIC files are image files in the so-called DICOM format. The DICOM format (Digital Imaging and Communications in Medicine) is an open standard for the exchange of information in medicine. DICOM images are lossy or lossless stored in TIFF or JEPG format and embedded in the DIC file.
The files may include, in addition to images from, for example, MRI, ultrasound, X-ray and CT devices, also segmentations, patient data, findings and image registrations. Also 3D data is possible. At the same time, the DICOM standard also represents the protocol standard that is implemented in almost every medical device for imaging and image processing procedures.
In addition, DICOM forms the basis for the PACS digital image archiving system in hospitals and clinics (Picture Archiving and Communication System). Other, often used extensions for dicom files are dcm and dicom. Partially the ending is omitted altogether. If a DICOM compatible program does not detect DIC files, you can try to change the file extension to dcm or dicom.