<prompt> Radiological features of left ventricular hea failure are all, except-KerlyB linesCardiomegalyOligemic lung fieldsperibronchial cuffing  <response>: In chest radiography, the Westermark sign is a sign that represents a focus of oligemia hypovolemia leading to collapse of vessel seen distal to a pulmonary embolism PE. While the chest x-ray is normal in the majority of PE cases, the Westermark sign is seen in 2 of patients. Ref Davidson 23rd edition pg 460 