Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest . There has been interval placement of a left PICC with tip in the mid SVC . Relatively low lung volumes are seen . There is no confluent consolidation . There is a small left - sided pleural effusion , possibly minimally enlarged . Cardiomediastinal silhouette is unchanged as are the osseous structures are notable for posterior right rib fracture which is old .
    OUTPUT:
    
No definite acute cardiopulmonary process . Small left pleural effusion .