Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable frontal chest radiographs demonstrate intubated patient , the tip of the endotracheal tube is positioned 4 .1 cm from the level of the carina . An orogastric tube is in place and is coiled within the fundus of the stomach . There is airspace opacification of the right lung with relative sparing of the apex , as well as basilar left lung opacity . Linear atelectasis is seen in the right mid lung . The left lung is relatively clear . A focal nodular opacity is seen in the left upper lung measuring 8 mm . There is linear atelectasis in the left lower lung . There is no definite effusion . There is no pneumothorax . The heart size is enlarged , the mediastinal contours appear grossly unremarkable on this portable film .
    OUTPUT:
    
1 . Bilateral airspace opacity consistent with lobar pneumonia . 2 . Nodular opacity in the left lung apex , recommend attention on followup . 3 . Moderate cardiomegaly .