Sir. when x ray of chest mentions, broncho vascular prominence in the both lung fields, - bRONCHO VASCULAR PROMINENCE IN BOTH LUNG FIELDSBILATERAL HILA APPEAR NORMALCARDIAC AND MEDIASTENAL SILHOUTTE APPEAR UNREMARKABLETHERE IS NO MEDIASTENAL SHIFTBILATERAL COSTOPHORONIC AND CARDIO PHERNIC ANGLES ARE CLEARBOTH THE DOMES OF DIAPHRAM IS NORMALBONEY THORAX APPEAR NORMAL doctor, what is it , and is it serous or ok is it related to any serious disease? If not serious, then what is it? is it to be treated ?