By Ludwig Burger and Bhanvi Satija FRANKFURT (Reuters) -Swiss drugmaker Roche on Thursday lifted its full-year profit guidance, as cost cuts helped to offset the impact of a weaker dollar weighing on the value of overseas sales. The group said it now expected a high-single to low-double-digit percentage rise in adjusted earnings, compared with its previous forecast for a high-single-digit increase. It confirmed its annual guidance for a mid single-digit rise in sales. CEO Thomas Schinecker said that Roc ...