Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a heterogeneous opacity in the right middle lobe as well as more linear opacity in the left lower lobe . There is mild cardiomegaly . The hilar and mediastinal contours are normal . There is no pneumothorax . There is no pleural effusion . Pulmonary vascularity is normal .
    OUTPUT:
    
Heterogeneous right middle lobe opacity concerning for early pneumonia . More linear left basilar opacity is likely atelectasis .