Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Two AP chest radiographs were obtained . This exam is limited by low lung volumes and patient size . There is no large consolidation , effusion or pneumothorax . Mild cardiomegaly exaggerated by AP technique is more pronounced and mediastinal veins and pulmonary vasculature are dilated , reflecting biventricular failure and / or volume overload . 15 mm RUL lung nodule has been present since at least ___ .
    OUTPUT:
    
Mild biventricular heart failure and / or volume overload ; no edema . PA and lateral exam recommended when feasible .