A tumor is classified as benign when it's unlikely to spread & as this when it's cancerous
Different types of ovarian cancer are classified according to the type of cell from ... 
Clear cell  This type of ovarian cancer gets its name because the center of the 
..... may feel that surgery is unlikely to have the desired effect and may prescribe... [DOC] [TLE] Anal Cancer - American Cancer Society [PAR] Jan 20, 2016 ...