<prompt> Which of the statements is not true regarding Macleods Syndrome ?It is not a true emphysemaOccurs before 8 years of ageIt is unilateral emphysemaThe pulmonary aery on the affected side is hyperplastic  <response>: Ans. is c i.e., The pulmonary aery on the affected side is hyperplastic Macleod syndrome o It is also known as Swyer - Janes syndrome o It is a cause of unilateral hyperlucent lung. o It may present as acute pneumonia, but most patients are discovered when a chest X-ray is obtained for an unrelated reason. o This not a true emphysema. o On examination there is hyperresonance and a small lung with mediastinum shifted towards the more abnormal lune. There is no vascular abnormality. o No specific treatment is required, it may become less symptomatic with time. 