Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Two portable views of the chest . The lungs are grossly clear within limitation of patient 's positioning and the lung apices are obscured by the patient 's chin . There is rotation to the left . The cardiomediastinal silhouette is grossly unremarkable , although atherosclerotic calcifications are noted at the aortic arch . Left - sided PICC is identified , although the tip is difficult to assess in positioning given patient 's positioning . Tubes also project over the abdomen bilaterally .
    OUTPUT:
    
Limited exam without definite acute cardiopulmonary process .