Hi welcome to HCM I have gone thru your query . I can understand your concern regading your pigeon chest with such a good height Dear , you need not worry at all . You have thought about improving your figure , you will achieve it by your will power and little hard work . As you know Perseverence overcomes mountains . Pectus excavatum is the name given to this condition in medical dictionary .It is not preventable, but the condition is treatable. In rare cases if the condition is left untreated, pectus excavatum can cause compression of the heart and lungs. You can rectify your position by following a set regimen of proper diet & exercise and Yoga One of the important strategies to achieve healthy body is a diet rich in fresh, raw whole foods .More of high Fiber, protein , fruit, egg fish ,fish oil for Omega 3, green leafy veges . quality, organic, biodynamic fresh food will naturally increase immunity . .Avoid processed foods carbs , sugar , fried ,fast foods , Tea , coffee ,alcohol and smoking all will produce biochemical and metabolic conditions in your body that will decrease your immunity, so avoiding is definitely the first step in the right direction for Detoxing the body, boosting the immune system Lemon juice with water twice before meals , Turmeric powder ,+a spoon of almond oil level spoon with with a cup of hot milk with B/F & at bed time , goat s milk prefer Buttermilk with lunch Aloevera juice 25 ml +amla juice 2 spoons Physical activity in order to renew healthy cell and rebuild itself, so you should make exercise a lifelong commitment, Do 30 mins walk/ Start exercise with deep breatihing -Inhale - Hold Exhale -Hold- from head to toe , MORE OF CHIN IN CHEST OUT EXERCISES LIKE SURYA NAMASKAR , Bhujangasann , all postures which contain chest out position , yoga ,pranayam - , Kapalbhatti / Laughing aloud . You can also add weight lifting to your regimen . All should be done befor and after 3 hours of meals . Proper rest , meditation & positive thinking , to detoxify mind & body & give immunity to your system , to accelerate the process of recovery . AVOID Contipation is the mother of all illnesses so is mental stress /worry /anger The condition is REGULARITY HOPE THIS HELPS SOLVE YOUR QUERY Take care All the best . If any doubt mail at drsuchda@gmail.com Don t hesitate TO COME for futher query if any Wish you early recovery