Hi... Welcome to healthcare magic.. According to your complain you have problem of pain around sternum area that may be because of gastroesophageal reflux disease. Reflux problem cause irritation to oesophagus mucosa and that can lead to ulcer. Untreated gastritis problem also cause perforation. Consult a gastroenterologist for further diagnosis. Endoscope examination give exact idea about problems. Avoid spicy food and alcohol drinking. Eat small amount of meal and chew properly. Avoid coffee, citrus foods and carbonated drinks etc... Avoid stress. Take a healthy foods. Proton pump inhibitor drugs helpful . Elevate your head with two cushion during sleeping time. Avoid immeadiate lying down after meal. I hope my guidance helpful to you.. Take care. Thank you.