Opioids are substances that act on the nervous system in a similar way to opiates such as morphine and codeine. In a medical context the term usually indicates medications that are artificially made rather than extracted from opium.any of the alkaloids and other derivatives of the opium poppy are not opioids or narcotics; the best example is the smooth-muscle relaxant papaverine. Noscapine is a marginal case as it does have CNS effects but not necessarily similar to morphine, and it is probably in a category all its own.
Modified radical mastectomy This type of mastectomy is usually done to treat invasive cancer that has spread to the lymph nodes. During the mastectomy the breast tissue and a strip of skin with the nipple is removed.
Radical prostatectomy is the removal of the entire prostate and some of the lymph nodes near it to help treat prostate cancer. A radical prostatectomy involves making a cut or series of smaller cuts under your testicles or above your pubic bone to access and remove the prostate and other tissues.