Black or dark stools are a common side effect that may be the harmless result of unabsorbed iron. Whether you are taking iron supplements alone or a multivitamin with iron, you may experience this. Check with your doctor or healthcare provider to find the cause of black stools.
CCYYMMDD is just yyyyMMdd. The CC is for the two digit century which is the same as the first two digits of the year. I think people do that because people see yyyy and still type 12 instead of 2012. So today's date would be 20120717.
what is a .dcm file? Digital images classified as raster image files and saved in the DCM format are also called DICOM image files. These DCM files are appended with the .dcm extension, and DICOM in the DICOM image format stands for Digital Imaging and Communications in Medicine. The DCM image format was developed by the National Electrical Manufacturers Association (NEMA), which also developed the DICOM image format.