PAP smear
Fractional curettage
Dilatation & fractional curettage of endocervical canal
Endometrial biopsy
Aspiration biopsy
Pelvic ultrasound

Radiological studies:

Chest X ray for detection of pulmonary metastases
Intravenous urography for detection of ureteral involvement
M.R.I. (Magnetic resonance imaging ) for detection of metastases