Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Semi-upright portable chest radiograph demonstrates an interval decrease in lung volume . Confluent opacity at the left lung base remains , likely reflecting combination of left lower lobe collapse and effusion . Elevation of the minor fissure indicated right upper lobe volume loss . A right pleural effusion is improving . Mild pulmonary edema is improving . The cardiac silhouette remains moderately enlarged , the mediastinal contours reflect central venous engorgement . The endotracheal tube is similar in position , and projects no less than 2 .2 cm from the level of the carina . A right upper extremity PICC tip projects in the lower SVC . An NG tube tip projects at the level of the gastric antrum .
    OUTPUT:
    
Decreased lung volumes , with improving mild pulmonary edema . Left lower lobar atelectasis and right upper lobe mild volume loss are similar .