Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest . Exam is limited secondary to patient body habitus , positioning and technique . There is no definite large consolidation . Retrocardiac region is not clearly seen potentially due to superimposed soft tissues . Cardiac silhouette is enlarged in part accentuated by technique and positioning with underlying cardiomegaly . Deformity seen at the proximal right humerus and posterior left 4th rib which may be old but incompletely assessed .
    OUTPUT:
    
Limited exam with cardiomegaly . Deformity of the proximal right humerus and posterior ___ left rib , potentially old but age indeterminate and incompletely evaluated .