Republican senators left a Monday evening meeting pointing to several key outstanding issues that must be addressed in their sweeping domestic policy bill as Congress closes in on the July 4th recess,

Sen. Josh Hawley (R-Mo.) is warning that President Trump’s megabill could run off the tracks this week if Senate Republican leaders fail to address his GOP colleagues’ concerns that deep cuts to Medicaid spending would devastate rural hospitals in their home states.

Senate Republicans on Monday proposed steeper Medicaid cuts than those included in the House-passed version of President Donald Trump’s signature policy bill—making the bill’s passage by the July 4 deadline set by Congressional Republicans even more uncertain as Medicaid cuts have been a major sticking point for some in the GOP.