Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to prior chest radiograph from ___ , there is overall increased pulmonary vascular markings and the pulmonary vasculature . This is more prominent at the right lung base , where there is an area of new ill - defined opacity which also obscures the right cardiac border . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
As compared to prior chest radiograph from ___ , there is overall interval increase in prominence of pulmonary vasculature . This is more prominent at the right lung base , where there is an area of new ill - defined opacity which also obscures the right cardiac border and raises concern for an infectious process .