“…10 Patients younger than 10 years at the time of surgery; with lesions of the head/neck, face, and trunk; or who received an incomplete resection, had a shorter time to relapse. 10,11 On the other hand, favorable factors appeared to be gross total resection and low residual tumor volume. 10 A study in seven young patients with small PNs, who underwent complete resection of superficial PNs, demonstrated no relapse after four consecutive years of follow-up.…”