In another embodiment, {HEAD ~ the cancer} comprises thyroid cancer, breast cancer, lung cancer, brain cancer, {TAIL ~ ovarian cancer}, pituitary cancer and colon cancer 
comprises
In another embodiment , { HEAD ~ the cancer } comprises thyroid cancer , breast cancer , lung cancer , brain cancer , { TAIL ~ ovarian cancer } , pituitary cancer and colon cancer
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH