Here are a few options for a WordPress post_tag description in Traditional Chinese for the tag “癌症末期” (Cancer Stage IV), ranging in formality and focus:

**Option 1: Simple and Direct**

* **Description:** 關於癌症晚期治療、護理與相關資訊。 (About late-stage cancer treatment, care, and related information.)

**Option 2: More Informative**

* **Description:** 涵蓋所有關於癌症末期的文章，包括症狀、診斷、治療選項、臨終關懷、及病人的支援資源。 (Encompassing all articles related to Stage IV cancer, including symptoms, diagnosis, treatment options, end-of-life care, and patient support resources.)

**Option 3: Compassionate and Supportive**

* **Description:** 探索關於癌症末期的資訊，我們理解這是一個充滿挑戰的旅程。在這裡您可以找到支持、建議，以及了解如何應對。 (Exploring information about Stage IV cancer, we understand it is a challenging journey. Here you can find support, advice, and learn how to cope.)

**Option 4: Targetted towards Professionals/Advanced Readers**

* **Description:** 針對癌症末期診斷、治療方案、臨床試驗及護理的深入探討，主要面向醫療從業人員及對此領域有深入知識者。 (In-depth discussion of Stage IV cancer diagnosis, treatment plans, clinical trials, and care, primarily for medical professionals and individuals with in-depth knowledge in this field.)

**Option 5: Including Keywords**

* **Description:** 癌症末期文章彙集，探討晚期癌症的症狀、治療、姑息治療、臨終關懷，以及病患互助。 (A collection of articles on Stage IV cancer, exploring the symptoms of end-stage cancer, treatments, palliative care, end-of-life care, and mutual patient support.)

**Key Considerations for WordPress Post Tag Descriptions:**

* **Conciseness:** Keep it brief, ideally under 150 characters, to avoid being truncated in some themes.
* **Relevance:** Accurately reflect the content of the tagged posts.
* **Keywords:** Use relevant keywords related to the topic to improve SEO.
* **Target Audience:** Consider the audience and tailor the tone and language accordingly.
* **Clarity:** Ensure the description is easy to understand.

**How to Add a Description in WordPress (for any of the above options):**

1. **Go to the “Posts” > “Tags” section** in your WordPress admin dashboard.
2. **Find the “癌症末期” tag** (or create it if you haven’t already).
3. **Click on the tag.**
4. **Locate the “Description” field.**
5. **Enter your chosen description** from above into the description field.
6. **Click “Update”** to save your changes.