Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart is upper limits of normal in size , and pulmonary vascularity is normal . A vague opacity in the right upper lobe is present , and is difficult to fully characterized due to superimposition of the right scapular margin and absence of a lateral view . Differential diagnosis includes focal aspiration , localized edema , hemorrhage and infection , as well as a pneumonic formal of lung adenocarcinoma . Apparent Tubular calcifications in the left upper quadrant of the abdomen could be vascular or related to the spleen or left kidney .
    OUTPUT:
    
Airspace opacity in right upper lobe of uncertain chronicity and etiology as described . Initial further evaluation with dedicated PA and lateral chest radiographs is recommended in the patient 's condition permits