Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Increased prominence of diffuse fluffy infiltrates and pulmonary vasculature since prior examination . No large pleural effusion , possible trace right pleural effusion . No definite lung opacification is seen . No pneumothorax . Low lung volumes , unchanged . Cardiomegaly , stable given differences in technique . Tracheostomy appears unchanged . Tubing overlies the left hemithorax .
    OUTPUT:
    
1 . Increased pulmonary edema , trace right pleural effusion , stable cardiomegaly suggestive of congestive heart failure . 2 . Unchanged tracheostomy .