<num>. lines and tubes as described. <num>. cardiomediastinal silhouette, including indistinctness of the aortic arch, is grossly unchanged. question minimal new convexity in the aortopulmonary window. <num>. left lower lobe collapse and/or consolidation may be slightly worse. <num>. minimal atelectasis at the right base is slightly increased. <num>. no gross pleural effusion is seen on either side. <num>. mild vascular plethora is grossly unchanged.