[Very Common (≥ 1/ 10), Common (≥ 1/ 100, < 1/ 10) Uncommon (≥ 1/ 1000, < 1/ 100) Rare (≥ 1/ 10,000, < 1/ 1000) Very rare (< 1/ 10,000), not known (cannot be estimated from the available data)] Infections and infestations Uncommon: abnormal sternal serous wound drainage, wound infection.