Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Low lung volumes accentuate pulmonary vasculature markings . Patchy bilateral opacities in each lung with prominent interstitial component suggests multifocal pneumonia , although a heterogeneous pattern of pulmonary edema could also be considered . No focal consolidation or pleural effusion is noted . The cardiac and mediastinal contours are unremarkable .
    OUTPUT:
    
Findings suggesting either pneumonia or possibly mild pulmonary edema with a heterogeneous distribution .