Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single AP portable view of the chest is compared to previous exam from ___ . Exam is limited secondary to underpenetration . The lungs appear hyperinflated . There is right basilar opacity , more conspicuous than on prior exam , which correlates with prominent mediastinal fat when compared to previous CT of the abdomen and pelvis from ___ . Superiorly , the lungs are clear . There is no frank evidence of pulmonary vascular congestion . Cardiomediastinal silhouette is unchanged . Osseous and soft tissue structures are difficult to assess given technique .
    OUTPUT:
    
Limited portable exam without definite acute cardiopulmonary process .