Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable frontal view of the chest demonstrates low lung volumes . Moderate pulmonary edema is new since prior exam . Mild - to - moderate cardiomegaly also appears progressed from prior study . The left costophrenic angle is obscured , suggestive of small pleural effusion . No large right pleural effusion is seen . Hilar and mediastinal silhouettes are unremarkable . There is no pneumothorax .
    OUTPUT:
    
Moderate pulmonary edema , cardiomegaly and small left pleural effusion .