South Med J. Oct;87(10) Atypical chest pain syndrome in patients with breast implants. Lu LB(1), Shoaib BO, Patten BM. Author information. May 21, - The main symptoms include: continuous swelling or pain around your breast implant, which may occur long after a surgical incision has healed or many years after implants are inserted. fluid collection around your breast implant. capsular contracture, which is a lump under your skin or thick scar tissue around the Causes · Symptoms · Diagnosis.