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.
A compact disk or CD is a popular form of digital storage media used for âcomputer files, pictures and music. The plastic platter is read and written to using a laser in a CD drive. It comes in several varieties including CD-ROM, CD-R and CD-RW. James Russell invented the compact disk in 1965. Russell was granted a total of 22 patents for various elements of his compact disk system. However, the compact disk did not become popular until it was mass manufactured by Philips in 1980.