Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since pulmonary vascular congestion and mild cardiomegaly are new since ___ , I am tempted to attribute the region of new peribronchial opacification at the right lung base to dependent edema , exacerbated by elevation of the right hemidiaphragm and bronchovascular crowding in the right lower lobe . Even so , this area should be watched carefully for an alternative diagnosis , concurrent pneumonia . Severe degenerative changes noted at both shoulders . No appreciable left pleural effusion . No pneumothorax .
    OUTPUT:
    
AP chest compared to ___ , read in conjunction with a subsequent torso CTA , ___ .