Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are low lung volumes . Mild prominence of the central pulmonary vasculature may relate to low lung volumes versus very minimal pulmonary vascular engorgement . No definite focal consolidation . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are unremarkable . Suggestion of mitral anulus calcification is seen on the frontal view .
    OUTPUT:
    
Minimal prominence of the central pulmonary vasculature could relate to low lung volumes versus very minimal pulmonary vascular engorgement . No definite focal consolidation .