Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable supine chest film ___ at 07 :46 is submitted .
    OUTPUT:
    
Tracheostomy tube , right subclavian Port - A - Cath and left internal jugular central line are unchanged in position . The heart remains enlarged which may reflect cardiomegaly although pericardial effusion should also be considered . There are layering pleural effusions , right greater than left . Bibasilar opacities are again seen likely reflecting lobar atelectasis , although pneumonia can not be excluded . Overall , however , aeration in the right lung has improved . Low lung volumes with crowding of the vasculature and no overt pulmonary edema . Stable thoracolumbar curvature . Gastrostomy tube is in place .