various clinical observations have been made in this group of patients : 1 ) persistently elevated serum markers after orchiectomy for testicular cancer invariably indicate stage ii or iii disease , 2 ) persistently elevated serum markers after positive lymphadenectomy usually suggest stage iii disease and 3 ) persistently elevated serum markers after lymphadenectomy negative for tumor invariably indicate stage iii disease .
C0027651
tumor
C0012634
disease