Occasionally i get right chest pain &feel tightening of throat between collar bones few hours after a meal.swallowing triggers more pain. what to do?

Throat tightening: If your connection is correct and your symptoms are connected to food ingestion you will definitely benefit from a medical evaluation, ideally with your doc. Your symptoms are suggesting either an anatomic, for example diverticulum or functional, for example spasm-esophageal abnormality. Based on the assessment by your doc a further referral to a gi specialist may follow.