Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Evidence of the patient 's left lower lobe known mass is present , although not striking . There is also blunting of bilateral costophrenic angles . No focal opacity concerning for pneumonia . Aortic knob is calcified . Right - sided Port - A - Cath terminates in the mid-to - low SVC . Streaky atelectasis is noted bibasilarly .
    OUTPUT:
    
No evidence of acute process .