Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is elevation of the right hemidiaphragm with obscuration of the right heart border , consistent with total collapse of the right middle and lower lobes which is unchanged from prior exam . There is diffuse interstitial edema , left hilar prominence and ncreased vascular markings with upper redistribution . An associated small pleural effusion is seen in the left . Mild cardiomegaly is present and stable since ___ . There is no evidence of pneumothorax .
    OUTPUT:
    
1 . Increased vascular markings and interstitial edema suggestive of congestive heart failure . 2 . Collapse of the right middle and lower lobes , unchanged from ___ .