Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is streaky density bilaterally consistent with subsegmental atelectasis . Density in the lower left mid lung is somewhat increased and superimposed focal consolidation can not be excluded but is unlikely . The left hemidiaphragm appears elevated as before . The heart appears large . The aorta is calcified . Mediastinal structures are stable . A right PICC now terminates in the region cavoatrial junction . There is no other significant change .
    OUTPUT:
    
Line placement as described . Subsegmental atelectasis .