"unlikely to progress" is a correct and usable phrase in written English.
It can be used to describe a situation, event, or person that is not expected to develop or improve in the future. Example: The patient's condition is unlikely to progress without further treatment. In this example, "unlikely to progress" indicates that the patient's condition is not expected to get better without additional medical intervention.
The Lib Dems may be disappointed their pet project – electoral reform – is unlikely to progress.
A lack of consistency in their ranks means Zimbabwe are unlikely to progress beyond the group stages.
Debate on the bill is set to resume on 16 December but it is unlikely to progress without the support of the government.
Simply put, we cannot predict which lesions will progress (the majority) versus those that are unlikely to progress (a small subset, primarily in older patients).
As undrafted rookies, among nearly two dozen free agents signed by the Falcons, they seemed unlikely to progress from roommates to teammates, much less to first-stringers.
From pre-tournament favourites, they now look unlikely to progress beyond the group matches unless they can seriously pull this out of the fire.
Identifying which patients are unlikely to ever progress to cirrhosis may prevent overtreatment of many patients.
The RCT is unlikely to agree to progress to National/Regional phase without an identified commercial partner.
It is definitely true to declare that without InChI as an enabling technology ChemSpider is unlikely to have progressed at the pace it did, it would be a lot less functional in terms of its capabilities to connect to chemistry on the internet and would not hold its present prominence as one of the primary community resources for chemists online.
The game's defining moment came when Dutch referee Bas Nijhuis ruled out Defoe's effort, leaving Spurs needing an unlikely combination of results to progress.
Defeat kept Deila's side bottom of Group A with two points from four games and with a home game against Ajax and a trip to Fenerbahce remaining, the Scottish champions require two wins to progress, an unlikely scenario on the evidence so far.
