This technique is indicated in patients with penile cancer, in the following situations:
• After local treatment
• When there is a lymph node mass less than 4cm
• When mobile palpable lymph nodes appear in the postoperative follow-up
• When there are risk factors for the development of inguinal metastasis (clinical stage > t1 or information regarding the initial biopsy such as histological grade > 1, lymphatic or vascular invasion)