breast cancer has been chosen to front a new charity appeal.Lynsey Ritchie hit the headlines earlier this year by throwing a “Thanks for the mammaries” party ahead of double mastectomy surgery.The 43-year-old wrote movingly on her blog about ordering a boob cake to mark the occasion.And now - a year on from her own diagnosis - the mum-of-four has been chosen to help launch in Scotland an urgent new appeal to get life-saving work back on track.She’s supporting Cancer Research UK as it launches an