BCG is a vaccine used to prevent tuberculosis (TB), but itâs also an effective treatment for some non-invasive bladder cancers. Itâs given directly into the bladder (intravesical).BCG is a type of immunotherapy drug and doctors arenât sure exactly how it works in bladder cancer.CG is a vaccine used to prevent tuberculosis (TB), but itâs also an effective treatment for some non-invasive bladder cancers. Itâs given directly into the bladder (intravesical).
Freebase(0.00 / 0 votes)Rate this definition: CD-ROM. A CD-ROM is a pre-pressed compact disc which contains data. The name is an acronym which stands for Compact Disc Read-only Memory. Computers can read CD-ROMs, but cannot write on them.
Other Optical Storage Devices â¢ A CD-Recordable (CD-R) drive lets you record your own CDs, but data cannot be overwritten once it is recorded to the disk. â¢ A CD-Rewritable (CD-RW) drive lets you record a CD, then write new data over the already recorded data. â¢ PhotoCD technology is used to store digital photographs.