Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The apices are excluded from the film . Allowing for this , compared to the prior study , there is new patchy opacity at the left base , though the left hemidiaphragm remains visible . Minimal opacity is seen at the right base , improved . Chain sutures are also noted in this location . The cardiomediastinal silhouette is grossly unchanged . Mild vascular plethora is present . Note made of contrast in the transverse colon .
    OUTPUT:
    
1 . NG tube tip overlies the stomach 2 . New opacity at the left base . The differential includes collapse and / or consolidation at the left lung base or , in the appropriate clinical setting , evolving CHF .