Widening of the right paratracheal soft tissues with a rounded contour, which raises the possibility of a mass lesion. Differential considerations include a mediastinal hematoma related to recent line placement, a mediastinal mass, or lymphadenopathy. Further evaluation with computed tomography (CT) is suggested.
Hilar lymphadenopathy (Uncertain) Mass/Solitary lung mass (Uncertain) Superior mediastinal mass (Uncertain)