What is the medical term meaning chest pain?

Chest pain of cardiac origin is known as angina pectoris.

Chest pain of esophageal origin is known as esophagitis.

Chest pain of stomach origin is known as gastritis.

Chest pain of musculoskeletal origin is known as costochondritis.

Thoracoalgia or pectoralgia are general terms. I've never heard or seen it used.
angina pectoris
angina pectoris
It is called angina. It can have many causes.
angina
Pectoralgia is a general term. I've never heard or seen it used.

Chest pain from the heart is angina pectoris.
thoracodynia