Sentence:  Mrs. Trempler was tuberculosis , Mrs. Surcliffe was Mothers ' March of Dimes , Mrs. Craven was <WSD>cancer</WSD> , and Mrs. Gilkson did the kidney . 
Meaning of the word marked with <WSD> tags:  any malignant growth or tumor caused by abnormal and uncontrolled cell division; it may spread to other parts of the body through the lymphatic system or the blood stream