Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were reviewed and compared to the prior studies . New increased opacity over the superior portion of the right hilus could be a summation shadow of normal vessels or a new finding . Otherwise , there is no evidence of new consolidation or ground - glass opacities , however , ground - glass opacities are not easily seen on chest radiograph . There is no pleural effusion or pneumothorax . Cardiac and mediastinal contours are normal .
    OUTPUT:
    
A new area of increased opacity superior portion of the right hilus could be due to shadow summation of vessels or a new finding . Oblique views are recommended for clarification .