Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison to the chest radiograph obtained 2 weeks prior , there is significant gaseous dilation of the esophagus . There is noted , mild , pulmonary vascular congestion and increased opacities at the bilateral lung bases , possibly dependent pulmonary edema , atelectasis , or developing pneumonia . There is probably a small left pleural effusion . Heart size is minimally enlarged . A right - sided PICC terminates in the right atrium , approximately 3 cm inferior to the superior cavoatrial junction .
    OUTPUT:
    
Gaseous esophageal dilation concerning for obstructive pathology . New , mild pulmonary edema with dependent edema , atelectasis , or developing pneumonia . A right - sided PICC terminates within the right atrium , approximately 3 cm inferior to the superior cavoatrial junction .