Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Previously noted endotracheal tube has been removed . There is a calcification in the left axilla , possibly corresponding to a lymph node , unchanged . Coarsened interstitial markings are increased from prior exam , which may represent interstitial edema , though an atypical pneumonia can not be excluded . No lobar consolidation is seen . There may be a tiny left pleural effusion . The heart and mediastinal contours appear stable . No acute bony abnormalities .
    OUTPUT:
    
Increased prominence of interstitial lung markings suggests interstitial edema , though an atypical pneumonia is not excluded . Probable small left pleural effusion .