Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Angina ?
    ### Response:
    Espaol
                
Angina (an-JI-nuh or AN-juh-nuh) is chest pain or discomfort that occurs if an area of your heart muscle doesn't get enough oxygen-rich blood.
                
Angina may feel like pressure or squeezing in your chest. The pain also can occur in your shoulders, arms, neck, jaw, or back.
    