Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal view of the chest was obtained . The heart is of top normal size , with stable mediastinal contours . The left hemidiaphragm is elevated and left lung volumes are low . Increased opacity at the left base may be related to to resultant atelectasis , but aspiration can not be excluded . Pulmonary edema seen on ___ has improved with decreased opacity in the right base . A radiodense electronic device , compatible with a capsule endoscope , overlies the right heart border above the right hemidiaphragm . This location correlates with history of esophagectomy . No pneumothorax or pneumoperitoneum .
    OUTPUT:
    
1 . Left lung volume loss . Increased ill - defined opacity at the left base is compatible with resultant atelectasis or , in the correct clinical setting , aspiration . 2 . Improved pulmonary edema . 3 . Capsule projects over the right heart border above the right hemidiaphragm . Findings were communicated via phone call by ___ to ___ on ___ at 16 :40 p .m .