Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to prior chest radiographs , there has been interval removal of the Port - A - Cath . No focal consolidation , pleural effusion , pneumothorax , or pulmonary edema is detected . Minimal linear density in the left mid lung may represent a focus of atelectasis or post-radiation change . The aorta is mildly tortuous . Heart size is within normal limits , particularly given AP technique .
    OUTPUT:
    
No evidence for acute cardiopulmonary process .