Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Bilateral low lung volumes . Elevation of the right hemidiaphragm . Enlarged heart , likely accentuated by low lung volumes . Mild pulmonary vascular congestion without evidence of pulmonary edema . No pleural effusion . No focal consolidation to suggest pneumonia . No pneumothorax . Normal mediastinal contours and pleura . No acute osseous abnormality .
    OUTPUT:
    
Cardiomegaly and mild p ulmonary vascular congestion but no pulmonary edema . No radiographic evidence of active or latent tuberculosis .