diff --git a/src/views/trials/trials-panel/reading/dicoms3D/components/Viewport.vue b/src/views/trials/trials-panel/reading/dicoms3D/components/Viewport.vue
index c84d2d5b..74b9adf3 100644
--- a/src/views/trials/trials-panel/reading/dicoms3D/components/Viewport.vue
+++ b/src/views/trials/trials-panel/reading/dicoms3D/components/Viewport.vue
@@ -151,7 +151,9 @@ export default {
       markers: { top: '', right: '', bottom: '', left: '' },
       playClipState: false,
       wwwcIdx: 2,
-      loading: false
+      loading: false,
+      forceFitToWindow: false,
+      resizeObserver: null
     }
   },
   mounted() {
@@ -162,17 +164,26 @@ export default {
       this.initViewport()
     })
   },
+  beforeDestroy() {
+    if (this.resizeObserver && this.element) {
+      this.resizeObserver.unobserve(this.element)
+      this.resizeObserver.disconnect()
+    }
+  },
   methods: {
     initViewport() {
       this.element = this.$refs['viewport']
-      const resizeObserver = new ResizeObserver(() => {
+      this.resizeObserver = new ResizeObserver(() => {
         const renderingEngine = getRenderingEngine(this.renderingEngineId)
         if (renderingEngine) {
-          renderingEngine.resize(true, false)
+          renderingEngine.resize(true, true)
+          if (this.forceFitToWindow) {
+            this.resize(true)
+          }
         }
       })
       this.element.oncontextmenu = (e) => e.preventDefault()
-      resizeObserver.observe(this.element)
+      this.resizeObserver.observe(this.element)
       this.element.addEventListener('CORNERSTONE_STACK_NEW_IMAGE', this.stackNewImage)
       // this.element.addEventListener('CORNERSTONE_VOI_MODIFIED', this.voiModified)
       // this.element.addEventListener('CORNERSTONE_CAMERA_MODIFIED', this.cameraModified)
@@ -343,6 +354,7 @@ export default {
       viewport.render()
     },
     resize(forceFitToWindow) {
+      this.forceFitToWindow = !!forceFitToWindow
       const renderingEngine = getRenderingEngine(this.renderingEngineId)
       const viewport = renderingEngine.getViewport(this.viewportId)
       if (!viewport) return