Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest are obtained . The previously seen left perihilar hematoma at the site of wedge resection for left mass is again seen , and the hematoma appears to be resolving . There is interval increase in the left - sided pleural effusion . No evidence of pneumothorax , focal pneumonia , or pulmonary edema .
    OUTPUT:
    
Interval increase in left pleural effusion and some improvement of left perihilar hematoma in the area of prior wedge resection .