# Issue Comparison Between Different Scans

Most of the ***Risk*** pages contain a functionality to compare scans. Accessed by selecting ***ChangeLog*** option in these Risks pages.

<figure><img src="/files/R5oEagef5G8cYcC5foHc" alt=""><figcaption></figcaption></figure>

To compare two scans, you must select the **source (FROM)** and the **target (TO)** scans

<figure><img src="/files/iBwH8cNVlN1EjUpfjMwG" alt=""><figcaption></figcaption></figure>

The **source scan (FROM)** allows to be selected among:

* Pre last scan (the previous to the last executed scan)
* Baseline (the scan tagged as [Project Baseline](/introduction-to-xygeni/key-concepts/project-baseline.md))
* First Scan (the first scan of the project, by default it's the project baseline)
* A specific scan (selected by execution timestamp)

<figure><img src="/files/gfHV5EhiIifKM27OcJZ1" alt="" width="234"><figcaption></figcaption></figure>

The **target scan (TO)** allows to be selected among:

* Last Scan (the last executed scan of the project)
* A specific scan (selected by execution timestamp)

<figure><img src="/files/vfguZf9qgckQyPhgKQOv" alt="" width="234"><figcaption></figcaption></figure>

{% hint style="info" %}
By default, the list will show the differences between the **Baseline** and the **Last Scan**.

Any issue tagged as **NEW** means that issue appear into the Target but it does not exist into the Source scan

Any issue tagged as **REMOVED** means that issue appear into the Source but it does not exist into the Target scan
{% endhint %}

<figure><img src="/files/ILAArWR2ych6T2csXa4R" alt=""><figcaption></figcaption></figure>

You can **filter** the list by **type of change** (new and/or removed)

<figure><img src="/files/JcLWoTFuctX1gKeYXgVm" alt="" width="536"><figcaption></figcaption></figure>


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