Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is top normal . The hilar and mediastinal contours are within normal limits . Linear bibasilar opacities are most compatible with atelectasis . The aorta is moderately calcified and tortuous . There is no pneumothorax or pleural effusion . A left apical opacity is concerning for mass .
    OUTPUT:
    
Left apical opacity concerning for mass . Chest CT is warranted for further evaluation .