Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Rotated positioning . An NG tube is present -- the tip extends beneath the diaphragm , off the film . Compared with earlier the same day ( 16 :46 p .m . ) , no gross change is identified . There is minimal patchy stranding at the right base medially and possible minimal retrocardiac atelectasis . No definite infiltrate is identified . No effusion is seen . No CHF . The cardiomediastinal silhouette is prominent with a left ventricular configuration . The hila are also prominent with a tapered configuration , unchanged , which could reflect an element of pulmonary hypertension .
    OUTPUT:
    
Minimal stranding at right base medially and in retrocardiac area . No definite infiltrate .