WASHINGTON — At a House briefing Friday, American Cancer Society officials said deaths from colorectal cancer could be reduced drastically if widespread early screening is implemented. Medical officials also said that increasing colon cancer screening could significantly cut long-term treatment costs for the Medicare population. Colorectal cancer is the second most deadly form of the disease in the United States, accounting for an estimated 52,180 deaths in 2007, according to the American Cancer Society. Individuals over 50 are most at risk, accounting for 90 percent of the estimated total deaths this year. Despite the overwhelming number of deaths, studies show that screening for colon can…