Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours appear unchanged allowing for differences in technique . Asymmetric opacities are greater on the left than right and probably increased somewhat concerning for pneumonia . Accompanying venous pulmonary venous hypertension or very mild congestion is also suspected but less striking .
    OUTPUT:
    
Vague opacities , most confluent in the left lower lung , suggestive of pneumonia . Short - term follow - up with standard PA and lateral radiographs may be helpful to reassess if feasible .