Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is cardiomegaly in this patient status post sternotomy . A right - sided pleural effusion . Remains substantially resolved but there is now evidence of a small right apical pneumothorax . Right - sided PICC line is in good anatomical position . Retained barium is identified in the left retrocardiac area suggesting that much of the opacity here may reflect a a hernia . Substantial left - sided effusion with extensive atelectasis is suggested . There remains significant increased attenuation throughout the lung parenchyma consistent with a diffuse ground - glass opacification is observed recent CT . This is presumptively represent of infection as per the CT though pulmonary edema or other causes need to be considered .
    OUTPUT:
    
new right - sided pneumothorax . No effusion . Stable diffuse bilateral parenchymal changes .