ORLANDO (EGMN) - Although ulcerated primary melanomas are notorious for having a poor prognosis, the presence of ulceration may be a signal that the tumor is one of a small proportion of melanomas that are sensitive to adjuvant interferon, European researchers suggested at the annual meeting of the American Society of Clinical Oncology.A meta-analysis of two large published studies of adjuvant interferon therapy indicates that interferon treatment of ulcerated primary melanoma is associated with...