betty ann bowser examines theil conflicting answers.or >> it's going to result in an excessive treatment required for people that delay getting their cancer detected.re >> ifill: plus, 2013 will be am pivotal year for the new health care reform law. ray suarez gets an update from julie rovner of npr. from the island of mindanao in the philippines, fred de sam lazaro profiles a group of peacekeepers struggling to maintain a fragile cease-fire between government and rebel forces.o >> there are many other organizations that do medical care and food provisions. never enough. what is new here is civilians protecting civilians. >> ifill: itn's john sparks reports on police officers in china, and their accusations of widespread corruption by local officials. and jeffrey brown samples the poetry about greece's financial woes and its austerity measures. >> we'll hock the person to buy our bread. if you believe the headlines, then we're sunk. greece downgraded deeper into junk. >> ifill: that's all ahead on tonight's newshour.n >> major funding for the pbs newshour has been provided by: moving our

betty ann bowser examines the conflicting answers. plus, 2013 will be a pivotal year for the new health care reform law. ray suarez gets an update from julie rovner of npr. from the island of mindanao in the philippines, fred de sam lazaro profiles a group of peacekeepers struggling to maintain a fragile cease-fire between government and rebel forces. itn's john sparks reports on police officers in china, and their accusations of widespread corruption by local officials. and jeffrey brown samples the poetry about greece's financial woes and its austerity measures. that's all ahead on tonight's newshour. >> major funding for the pbs newshour has been provided by: the election commission in egypt confirmed today the new constitution won nearly 64% of the vote in a referendum. the panel also reported turnout was just a third of the country's 52 million registered voters. president mohammed morsi and his muslim brotherhood backed the draft constitution. opponents warned it paves the way for islamic rule and curbs on civil liberties. the s

a longstanding debate over the benefit of annual screenings.be newshour health correspondent betty ann bowser has our report. >> reporter: last year after a routine mammogram detected two tiny breast cancers 56-year-old diane wright underwent a lumpectomy, four months ofnt chemotherapy and six weeks of radiation. >> i think i was devastated. i was surprised. i i was shocked. i was overwhelmed by it all. >> reporter: wright has been following the advice of the american cancer society, getting an annual mammogram every year since the age of 40. i >> i feel very fortunate that it was caught then because i had really no symptoms or signs that i had breast cancer. i felt good. without the mammogram i don'tod know how long it would be before it was discovered. >> reporter: like millions of american women wright thinks mammograms are a good screening tool. but she now finds herself at the center of yet another controversy in the medical community over just how effective annual mammograms really are. this latest dust-up came on the heels of a new study in the new england journal of medicine last mont