Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: ET tube ends 2 .7 cm above carina . Right side Port - A - Cath is in right atrium . Distal end off the NG tube is not included in this study . The patient is known with fibrosis to the lungs . Bilateral opacities more prominent on the left side has increased since ___ as shown on recent chest CT . Considering the fact that there is no new intralobular septal thickening or pleural effusion this could be due to an infectious process . Cardiomegaly is stable .
    OUTPUT:
    
1 . Patient is known with pancreatic cancer . 2 . Tubes and lines are in adequate position . 3 . Bilateral opacities , more prominent on the left side is partly explained by known chronic fibrosis . However , increased density since ___ could be due to an infectious process .