告訴我們：

五行相生：木生火，火生土，土生金，金生水，水生木。

五行相剋：木剋土，土剋水，水剋火，火剋金，金剋木。

肝屬木，心屬火，脾屬土，肺屬金，腎屬水

十二經脈是手三陰經（肺、心包、心）、手三陽經（大腸、三焦、小腸）、足三陽經（胃、膽、膀胱）、足三陰經（脾、肝、腎）的總稱。

Gastric cancer with liver metastasis is defined as advanced gastric cancer

胃癌肝轉移定義為晚期胃癌

Approximately 4–14% of patients with gastric cancers presented with liver metastases at the initial diagnosis. 

大約 4-14% 的胃癌患者在初次診斷時出現肝轉移。

節錄自https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6915096/

五行相剋：木剋土；肝屬木；脾屬土；互為表裡的脾胃。

如果胃跟肝有互通+肝屬木+脾屬土+木剋土+互為表裡的脾胃

The esophagus is the tube that connects the back of your throat to your stomach.

食道是連接喉嚨後部和胃的管道。

節錄自https://www.cedars-sinai.org/health-library/diseases-and-conditions/e/esophagitis.html

Your voice box sits atop your windpipe (trachea), the tube that allows air to flow to and from your lungs.

您的聲帶位於氣管（氣管）上方，氣管是讓空氣流入和流出肺部的管道。

節錄自https://my.clevelandclinic.org/health/body/24456-vocal-cords

Laryngitis causes a raspy or hoarse voice due to inflammation of the vocal cords.

由於聲帶發炎，喉炎會導致聲音沙啞或沙啞。

節錄自https://www.hopkinsmedicine.org/health/conditions-and-diseases/vocal-cord-disorders

When we sleep the valve between the stomach and esophagus relaxes and opens. This lets acid in the stomach move backward into the esophagus and throat. This acid is irritating to the throat and can result in laryngitis, a condition of inflamed and irritated vocal cords or larynx.

當我們睡覺時，胃和食道之間的瓣膜會放鬆並打開。這會讓胃酸向後移動到食道和喉嚨。這種酸會刺激喉嚨，並可能導致喉炎，即聲帶或喉部發炎和受刺激的病症。

節錄自https://www.umc.edu/Healthcare/ENT/Patient-Handouts/Adult/Voice_Swallowing/Gastroesophageal_Reflux_Laryngitis.html

所以國民黨賴士葆委員的聲音沙啞可能是因為胃酸過高，造成聲帶、喉嚨長期被胃酸刺激，導致聲帶或喉部發炎。