Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours are within normal limits . The pulmonary vascularity is not engorged . Hazy ill - defined opacity in the left lung base may reflect pneumonia . Persistent branching opacity within the right upper lobe again may reflect bronchiectasis . There is no pleural effusion or pneumothorax . No acute osseous abnormality is identified .
    OUTPUT:
    
Hazy ill - defined opacity in the left lung base is concerning for infection . Persistent branching tubular opacity in the right upper lobe , likely reflective of bronchiectasis .