Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP single view portable chest x-ray shows Dobbhoff tube with tip ending in mid gastric cavity . Left lung base opacity has worsened since prior chest x-ray due to increased pleural effusion and left lower lobe collapse . In the appropriate clinical setting pneumonia should be considered . Right lung is clear without consolidation , nodules or pleural effusion . There is no pneumothorax . Heart size is partially obscured by left pleural effusion but appears within normal limits .
    OUTPUT:
    
Correct positioning of Dobbhoff tube ending in mid gastric cavity . Interval increase of left lung base collapse and pleural effusion , is concerning for pneumonia .