Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest is compared to previous exam from ___ . The lungs are grossly clear . Cardiac silhouette is enlarged , potentially accentuated by portable technique and low inspiratory effort . There is no large effusion . Degenerative changes noted at the right shoulder . Osseous and soft tissue structures are otherwise grossly unremarkable .
    OUTPUT:
    
No definite acute cardiopulmonary process .