Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Tracheostomy and right - sided PICC line are in adequate position . New right - sided hemodialysis catheter ends in the lower SVC . The lung volumes are lower and new bibasilar opacities , left more than right , is mainly explained by atelectasis . Superimposed infection or aspiration can not be excluded . There is no pneumothorax . Pleural effusions are small , if any . Diffuse ground - glass opacities in both lungs which could be a mix of pulmonary edema and pneumonia are unchanged .
    OUTPUT:
    
New bibasilar opacities , left more than right , are probably explained by atelectasis . Superimposed infection or aspiration can not be excluded in appropriate clinical setting .