<prompt> Most common organism isolated in breast abscess patientsStreptococcusStaphylocoeus aureusKlebsiellaNone  <response>: Ans. b Staphylocoeus aureus Ref Schwartz 10th edition Page 506 MC organism causing mastitis - Staphylococcus aureus Streptococcus Zuskas Disease: RecurrentPeriductal mastitis seen in Smokers. 