Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi supine chest radiograph ___ at 02 :07 is submitted .
    OUTPUT:
    
Cardiac and mediastinal contours are within normal limits . Prominent mitral valvular calcification . There is calcification of the aorta consistent with atherosclerosis . The left hemidiaphragm is slightly elevated and there are streaky opacities throughout the left mid and lower lung favoring atelectasis rather than an infectious process . Clinical correlation is recommended . No evidence of pulmonary edema . No pneumothorax .