The modern view of cancer describes the cells of a malignant tumor as ________.
◦ clonal, each being genetically identical to the other cells in the tumor
◦ genetically identical to the surrounding somatic cells from the same patient
◦ a complex mixture of cells, some malignant and some not
◦ abnormal cells confined to a tissue within the patient
◦ normal cells which have been converted to cancer cells by hormones