Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest . No prior . Exam is limited secondary to patient positioning with obscuration of the lung apices secondary to patient 's chin . The lungs are grossly clear . Cardiomediastinal silhouette is within normal limits for position . Subtle patchy opacity seen in the right mid lung . There is no visualized pneumothorax noting obscuration of the lung apices .
    OUTPUT:
    
Limited exam without visualized pneumothorax noting that lung apices are obscured . Patchy opacity in the right mid lung , nonspecific . PA and lateral may offer additional detail versus correlation with prior imaging should they become available .