Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest is compared to previous exam from ___ . Exam is limited secondary to patient positioning and poor inspiratory effort . Within this , there is no definite large confluent consolidation . Cardiac silhouette is grossly unchanged . Metallic device projecting over the left upper quadrant , although lead is not clearly delineated . Osseous and soft tissue structures are unremarkable , noting surgical clips in the right upper quadrant .
    OUTPUT:
    
Extremely limited exam . No definite large consolidation . Consider repeat if clinically indicated .