<num>. bilateral perihilar and left lower lobe opacities, similar in distribution compared to <unk> but increased compared to the most recent chest radiograph from <unk>. in this setting of the patient's history of hiv, there is a wide differential which includes infection such as pjp, progressive interstitial disease, and pulmonary edema. if warranted clinically, ct can be obtained for further evaluation. <num>. likely small left pleural effusion.