diff --git a/atlas/tables.py b/atlas/tables.py
index 01e06eab..c5ad1df0 100755
--- a/atlas/tables.py
+++ b/atlas/tables.py
@@ -160,7 +160,12 @@ class CaseTable(SelectionTable):
             return mark_safe(", ".join(links))
         return "No collections"
 
-    def render_case_size(self, value):
+    def render_case_size(self, value, record):
+        if value is None:
+            try:
+                value = record.get_total_series_images_size()
+            except Exception:
+                value = None
         if value is None:
             return "-"
         return filesizeformat(value)
diff --git a/atlas/templates/atlas/user_uploads.html b/atlas/templates/atlas/user_uploads.html
index d8376e5a..ee98856b 100644
--- a/atlas/templates/atlas/user_uploads.html
+++ b/atlas/templates/atlas/user_uploads.html
@@ -174,7 +174,7 @@
                             class="btn btn-primary"
                     >Import {% if case %}into case{% endif %}</button>
                     <button id="import-into-case-button" type="button" class="btn btn-outline-primary" data-bs-toggle="modal" data-bs-target="#caseSelectModal">Import into case…</button>
-                    <button id="import-case-series-button" type="button" class="btn btn-outline-success" data-bs-toggle="modal" data-bs-target="#caseSeriesModal" disabled>Import as case series…</button>
+                        <button id="import-case-series-button" type="button" class="btn btn-outline-success" data-bs-toggle="modal" data-bs-target="#caseSeriesModal" disabled>Import as case series…</button>
                 </div>
 
                 <div id="import-status" class="mt-3"></div>
@@ -250,7 +250,11 @@
                     </div>
                     <div class="modal-footer">
                         <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Cancel</button>
-                        <button type="submit" class="btn btn-success">Create linked cases</button>
+                        <div id="case-series-submit-loading" class="d-none text-muted small me-2">
+                            <span class="spinner-border spinner-border-sm me-1" role="status" aria-hidden="true"></span>
+                            Creating linked cases...
+                        </div>
+                        <button id="case-series-submit-button" type="submit" class="btn btn-success">Create linked cases</button>
                     </div>
                 </form>
             </div>
@@ -468,6 +472,8 @@
         if (caseSeriesForm) {
             caseSeriesForm.addEventListener('submit', async function (event) {
                 event.preventDefault();
+                const submitBtn = document.getElementById('case-series-submit-button');
+                const submitLoading = document.getElementById('case-series-submit-loading');
                 const selectedSeries = getSelectedSeriesUids();
                 const selectedStudies = getSelectedStudyUids();
                 if (!selectedSeries.length || selectedStudies.size < 2) {
@@ -484,6 +490,13 @@
                 }
 
                 setImportButtonsDisabled(true);
+                if (submitBtn) {
+                    submitBtn.classList.add('d-none');
+                    submitBtn.disabled = true;
+                }
+                if (submitLoading) {
+                    submitLoading.classList.remove('d-none');
+                }
                 try {
                     const response = await fetch("{% url 'atlas:uploads_import_case_series_htmx' %}", {
                         method: 'POST',
@@ -505,6 +518,13 @@
                 } catch (error) {
                     appendImportStatus(`<div class="alert alert-danger mb-0">Linked case import failed. ${error?.message || ''}</div>`);
                 } finally {
+                    if (submitLoading) {
+                        submitLoading.classList.add('d-none');
+                    }
+                    if (submitBtn) {
+                        submitBtn.classList.remove('d-none');
+                        submitBtn.disabled = false;
+                    }
                     setImportButtonsDisabled(false);
                     updateSelectionCount();
                 }
diff --git a/atlas/views.py b/atlas/views.py
index 5583923c..ef053f12 100755
--- a/atlas/views.py
+++ b/atlas/views.py
@@ -3451,6 +3451,18 @@ def user_uploads(
     case_series_form = CaseForm(user=request.user)
     case_series_form.fields["previous_case"].required = False
     case_series_form.fields["previous_case"].widget = HiddenInput()
+    for field_name in ("condition", "presentation", "procedures"):
+        field = case_series_form.fields.get(field_name)
+        if field is None:
+            continue
+        attrs = dict(getattr(field.widget, "attrs", {}) or {})
+        attrs.update(
+            {
+                "data-dropdown-parent": "#caseSeriesModal",
+                "data-width": "100%",
+            }
+        )
+        field.widget.attrs = attrs
 
     return render(
         request,