Sentence:  Says Wallace F. Jannsen , director of the FDA 's Division of Public Information : `` Quacks are apt to direct their appeal directly to older people , or to sufferers from chronic ailments such as arthritis , rheumatism , diabetes , and <WSD>cancer</WSD> . 
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