Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is hazy increased opacity projecting over the lung apices , left greater than right . This is not definitely parenchymal in nature and may be technical and due to overlying soft tissues . Elsewhere the lungs are clear , there is no effusion . There is an ill - defined contour of the aortic knob . There are diffuse lucencies throughout the bones particularly notable in the region of the left scapula and right clavicle .
    OUTPUT:
    
1 . Ill - defined contour of the aortic knob . In setting of chest pain , CT should be considered to further assess . Alternatively if low suspicion for acute aortic syndrome , repeat with PA and lateral views can be performed . 2 . Increased opacity projecting over the upper lungs , left greater than right likely technical due to overlying soft tissues but can be further clarified by a PA and lateral . 3 . Osseous findings compatible with patient 's known multiple myeloma .