Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A large mass is seen within the left upper lobe measuring approximately 6 cm x 5 .6 cm , consistent with a Pancoast tumor better evaluated on the prior CT from ___ . Mediastinal , specifically AP window , adenopathy was also seen on prior CT . A small left pleural effusion is seen . Note is made of mild pulmonary vascular congestion , however no definite evidence of pulmonary edema . Moderate cardiomegaly , is stable .
    OUTPUT:
    
Large left upper lobe mass , consistent with patient 's known Pancoast tumor , better evaluated on the CT from ___ . New small / moderate left pleural effusion . Moderate cardiomegaly , with pulmonary vascular congestion , however no overt edema .