no definite pneumonia, however the lungs are not completely clear, possibly due to low volume inspiration. if patient's symptoms persist, recommend ct to evaluate for underlying lung abnormality. recurrent and/or chronic pulmonary embolism as a cause of patient's symptoms, all the a is neither suggested or excluded by a. recommendation(s): if patient's symptoms persist, recommend ct chest to evaluate for underlying lung abnormality. if concern for chronic or recurrent pulmonary embolism as a cause of patient's symptoms, recommend cta for evaluation.