Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest are obtained . There is elevated right hemidiaphragm which is unchanged . Previously noted left arm PICC line and NG tube have been removed . The previously noted drainage catheter in the upper abdomen is not included in the imaged field . A small left pleural effusion is present . There is no definite sign of pneumonia or CHF . Cardiomediastinal silhouette appears stable . The bony structures appear grossly intact .
    OUTPUT:
    
Elevated right hemidiaphragm . Tiny left pleural effusion . No signs of pneumonia .