LEWISTON – Central Maine Medical Center’s spring gala benefit, which has “At The Rainbow’s End” as its theme, will be held Saturday, March 17, at the Kora Temple Shrine on Sabattus Street. There will be a social from 5:30-6:30 p.m., followed by an elegant four-course dinner and dancing with music provided by Colorblind. Dress is formal or business formal. Tickets: $85 per person; $800 per table. Call 795-2957.