Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There appears to be a spiculated mass in the left upper lobe which corresponds to the patient 's malignancy on the prior chest CT . There also appears to be bilateral hilar fullness , secondary to lymphadenopathy , also seen on the previous chest CT . There is no evidence of pneumothorax or pleural effusions . The heart size is stable . The visualized osseous structures are unremarkable .
    OUTPUT:
    
1 . No evidence of a pneumothorax . 2 . Spiculated mass in the left upper lung , which likely corresponds to patient 's known malignancy from prior CT . 3 . Bilateral hilar lymphadenopathy .