Chest pain includes many things, first of all, heart attack, angina can cause chest pain, accompanied by breathlessness and squeezing sensation. Respiratory pleurisy can also cause chest pain, accompanied by respiratory symptoms. Breast pain is mainly related to breast hyperplasia, with the menstrual cycle, the breasts will also be hyperplasia, recovery cycle changes. The glandular tissue inside the breast will expand, causing an increase in the volume of the entire breast tissue. This has a compressive effect on the nerves and can cause chest pain. The pain is often predominantly swelling, because the nerves are sensitive and cannot distinguish exactly what is happening inside, and are not as sensitive as the skin, which may tingle. Inflammatory changes in the mammary glands can also lead to breast pain, which can be accompanied by localized inflammatory masses, redness, swelling, heat, pain, and even generalized fever. There are also neoplastic lesions, benign or malignant tumors, fibrous tumors, breast cancer, which can also cause pain because of compression or irritation of the nerves, but the chances of this happening are very small. In addition, malignant unless the nerve is violated, the pain is not obvious.