 - Other current malignancies. Subjects with prior history at any time of any in situ cancer, including lobular carcinoma in situ of the breast, cervical cancer in situ, atypical melanocytic hyperplasia or Clark I melanoma in situ, or basal or squamous skin cancer are eligible, provided they are disease-free of these other malignancies at the time of registration. Subjects with other malignancies - other than the one for which they are being treated - are eligible if they have been continuously disease free from the old cancer for 5 years prior to the time of registration. 