the non-reproductive system cancers were divided into two classes : class i , which included cancers of the digestive system , thyroid , bladder , lung , and other sites and hematopoietic cancers ( lymphoma , leukemia , myeloma , and hodgkin 's disease ) , and class ii , which included skin cancers and cutaneous melanoma .
C0024299
lymphoma
C0019829
hodgkin 's disease