With this free image converter, you can convert images to dcm online. Optional settings can be provided to improve quality.
DCM
.DCM Digital Imaging and Communications in Medicine (DICOM) image
What is the dcm format? This is an international format that was developed for the purpose of storing images of the body taken with medical imaging equipment. It includes magnetic resonance and computer tomography images, ultrasound images and fluoroscopy, as well as images taken with other medical imaging equipment. DCM also stores patient information in the metadata, which form part of a single file.