Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is probably normal . Full mediastinal contours difficult to evaluate as is the left hilus . The right hilar contour is grossly unremarkable . Left greater than right pulmonary opacities are redemonstrated corresponding to areas of loculated pleural effusion and metastatic lesions . There appears to be increased loculated pleural effusion component in the left upper lobe with compressive atelectasis of the adjacent lung parenchyma . There is no pneumothorax .
    OUTPUT:
    
Redemonstration of left greater than right opacities representing combination of loculated pleural effusion and metastatic lesions . Increased loculated fluid component in the left upper lobe . Concurrent pneumonia can not be excluded providing the appropriate clinical context .