Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . Evaluation is limited due to lung volumes being low and abdominal pannus projecting over the left lung base . Allowing for this , no definite consolidation large effusion or pneumothorax is seen . Please note , the left lung base is suboptimally assessed . Cardiomediastinal silhouette appears stable . Patient is slightly rotated to the left . A left humeral head replacement noted . No acute bony abnormalities .
    OUTPUT:
    
No acute findings the left lung base poorly assessed .