fix

code/modules/surgery/organs/organ_internal.dm

@@ -106,7 +106,7 @@
 	applyOrganDamage(maxHealth * decay_factor * (seconds * 0.5))
 
 /obj/item/organ/proc/can_decay()
-	if(CHECK_BITFIELD(organ_flags, ORGAN_NO_SPOIL | ORGAN_SYNTHETIC | ORGAN_FAILING))
+	if(organ_flags & (ORGAN_NO_SPOIL | ORGAN_SYNTHETIC | ORGAN_FAILING))
 		return FALSE
 	return TRUE
 

code/modules/surgery/surgery.dm

@@ -71,7 +71,7 @@
 
 	var/turf/T = get_turf(patient)
 	var/obj/structure/table/optable/table = locate(/obj/structure/table/optable, T)
-	if(table?.computer && !CHECK_BITFIELD(table.computer.stat, NOPOWER|BROKEN))
+	if(table?.computer && !(table.computer.stat & (NOPOWER|BROKEN)))
 		advanced_surgeries |= table.computer.advanced_surgeries
 
 	if(istype(tool, /obj/item/surgical_drapes/advanced))