in the radiodiagnostic foct scan of abdomen and pelvic ,the result Came: the prostate is of normal size and not homogenous parenchyma,in patient with history of prostate adenocarcinoma . -Multiple left renal cysts. - diverticulosis in sigmoid with mucosal thickening. -Bilateral inguinal lymph nodes what is meaning ,it is dangerous , what kind of treatment to be done in this case