<prompt> PET Scan is useful in evaluating all the following except?Solitary pulmonary NoduleSkeletal metastasisMyocardial ViabilityDysphagia Lusoria  <response>: PET is good for detection of functionalMetabolic activities and not good enough for anatomical detailing like to look for a aberrant Subclan aery. MR AngioCT Angio are used for detection of Dysphagia Lusoria aberrant Subclan aery 