Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right PICC terminates in the SVC . Cardiac , mediastinal , and hilar contours are unchanged , with the heart size within normal limits . No pulmonary vascular congestion , pneumothorax , or pleural effusion . Calcified granuloma in the left upper lobe is unchanged . Minimal left basilar atelectasis , without focal consolidation . Marked right glenohumeral degenerative changes again noted . Left humeral head prosthesis is partially imaged .
    OUTPUT:
    
Left basilar streaky opacity , likely atelectasis .