If it doesn't escape the prostate, a tumor could potentially impinge on the urethra causing urinary difficulty. There is a benign version of this called BPH and it may be treatable by medications like Flowmax.
But it's not like we can always know it will stay slow growing forever. Some cancers can suddenly become aggressive and metastasize, so careful monitoring is important.
But it's not like we can always know it will stay slow growing forever. Some cancers can suddenly become aggressive and metastasize, so careful monitoring is important.