** Shares of IMEXHS IME.AX rise 2.15% to A$0.240, their biggest intraday pct gain since September 18
** The medical imaging software maker says it entered into a radiology services contract with Colombia's Oncolife
** Deal expected to contribute A$1.4 million ($914,480) in new annual recurring revenue for co
** About 143,626 shares change hands, compared with the 30-day average volume of 30,140
** Stock down 37.3% YTD, including session's moves
($1 = 1.5309 Australian dollars)
(Reporting by Adwitiya Srivastava in Bengaluru)
((Adwitiya.Srivastava@thomsonreuters.com))