Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Increased interstitial markings are unchanged from prior exams dating back to ___ . There is no focal consolidation , pleural effusion , pneumothorax , or pulmonary edema . Endotracheal tube ends 5 .3 cm from the carina , and an enteric tube is coiled within the decompressed stomach . A small bone island is noted in the posterior right sixth rib . Old posterior rib fractures of the right sixth and left fifth , sixth , and seventh ribs are noted .
    OUTPUT:
    
1 . No evidence of acute cardiopulmonary process . 2 . All lines and tubes in good position .