Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest are compared to previous exam from ___ . Compared with prior , there has been no significant interval change . Low lung volumes are seen . Indistinctness of the pulmonary vasculature may be due to minimal volume overload versus from lower lung volumes . Cardiomediastinal silhouette is stable . Left - sided dual - lumen central venous line is in stable position . Osseous and soft tissue structures are unchanged , noting old distal right clavicular fracture .
    OUTPUT:
    
No definite acute cardiopulmonary process . Indistinctness of the pulmonary vasculature which may be due to minimal volume overload or potentially accentuated by low lung volumes .