<prompt> A 45 year old patient comes with greenish discharge of the breast. She also complains of tender mass below areolar tissue. Which of the following is true about this condition?Associated with smokingAssociated with alcohol intakeAlways unilateralSingle duct is involved  <response>: This is a case of duct ectasia.It occurs between 40 to 55 years of age.Usually bilateral and multifocal.It is associated with the smoking.Treatment is to stop smoking and hadfields operation. 