Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: 2 views of the chest demonstrate moderate cardiomegaly with a left ventricular predominance , warranting emergent workup . The lungs are clear . The hilar and mediastinal contours are within normal limits . No pleural effusion or pneumothorax .
    OUTPUT:
    
Moderate cardiomegaly warranting emergent workup in the setting of chest pain and no prior radiographs .