diff --git a/src/views/trials/trials-panel/reading/dicoms3D/components/PetCtViewport.vue b/src/views/trials/trials-panel/reading/dicoms3D/components/PetCtViewport.vue
index 0cd2da2d..e5fda1b2 100644
--- a/src/views/trials/trials-panel/reading/dicoms3D/components/PetCtViewport.vue
+++ b/src/views/trials/trials-panel/reading/dicoms3D/components/PetCtViewport.vue
@@ -244,7 +244,7 @@ export default {
         this.imageInfo.size = `${imagePlaneModule.columns}*${imagePlaneModule.rows}`
         this.imageInfo.location = imagePlaneModule.sliceLocation
         this.getOrientationMarker()
-        // this.$emit('renderAnnotations', this.series)
+        this.$emit('renderAnnotations', this.series)
         let properties = viewport.getProperties()
         if (this.isFusion) {
           properties = viewport.getProperties(this.ptVolumeId)
@@ -264,6 +264,16 @@ export default {
       }
 
     },
+    setFullScreen(index) {
+      setTimeout(() => {
+        const renderingEngine = getRenderingEngine(this.renderingEngineId)
+        const viewport = renderingEngine.getViewport(
+          this.viewportId
+        )
+        csUtils.jumpToSlice(viewport.element, { imageIndex: index })
+        viewport.render()
+      })
+    },
     voiModified(e) {
       const renderingEngine = getRenderingEngine(this.renderingEngineId)
       const viewport = renderingEngine.getViewport(this.viewportId)
@@ -278,6 +288,7 @@ export default {
           upper
         )
         this.imageInfo.wwwc = `${Math.round(windowWidth)}/${Math.round(windowCenter)}`
+        this.$emit('upperRangeChange', Math.round(windowWidth))
       }
     },
     getOrientationMarker() {
@@ -386,7 +397,14 @@ export default {
     resize(forceFitToWindow) {
       console.log('resize: ', forceFitToWindow)
       const renderingEngine = getRenderingEngine(this.renderingEngineId)
-      renderingEngine.resize(true, forceFitToWindow)
+      const viewport = renderingEngine.getViewport(this.viewportId)
+      if (!forceFitToWindow) {
+        viewport.setZoom(0.5)
+        viewport.render()
+      } else {
+        viewport.setZoom(1)
+        viewport.render()
+      }
     },
     voiChange(v) {
       const renderingEngine = getRenderingEngine(this.renderingEngineId)
diff --git a/src/views/trials/trials-panel/reading/dicoms3D/components/ReadPage.vue b/src/views/trials/trials-panel/reading/dicoms3D/components/ReadPage.vue
index 3286bdae..f0d86632 100644
--- a/src/views/trials/trials-panel/reading/dicoms3D/components/ReadPage.vue
+++ b/src/views/trials/trials-panel/reading/dicoms3D/components/ReadPage.vue
@@ -381,6 +381,7 @@
                     @toggleTaskByViewport="toggleTaskByViewport"
                     @previewCD="previewCD"
                     @renderAnnotations="renderAnnotations"
+                    @upperRangeChange="upperRangeChange"
                   />
                 </div>
               </div>
@@ -2162,6 +2163,13 @@ export default {
     toggleFullScreen(e, index) {
       this.fullScreenIndex = this.fullScreenIndex === index ? null : index
       this.activeViewportIndex = index
+      if ( this.isFusion ) {
+        let viewportIds = [`${this.viewportKey}-0`, `${this.viewportKey}-1`, `${this.viewportKey}-2`]
+        viewportIds.forEach(id=>{
+          let index = this.$refs[id][0].series.SliceIndex
+          this.$refs[id][0].setFullScreen(index)
+        })
+      }
     },
     async toggleTask(taskInfo, taskIndex) {
       if(this.isFusion){
@@ -2797,6 +2805,10 @@ export default {
 
       return { volumeId, volume }
     },
+    upperRangeChange(upper) {
+      this.$refs.colorMap.upper = upper
+      this.$refs.colorMap.upperRangeChange(upper)
+    },
     openFusion() {
       this.fusionVisible = true 
     },