Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . Increased opacities in the lower lungs raise concern for early pneumonia . There is a small left pleural effusion . No overt evidence for an edema . No pneumothorax . Patient is rotated to the left . Prominent cardiomediastinal silhouette is stable . No acute bony abnormalities .
    OUTPUT:
    
Increased opacities in the lower lungs raise concern for pneumonia . Small left effusion .