Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a right - sided PICC line terminating in the superior vena cava or lower , but it s tip is not well delineated . Moderate cardiomegaly is noted with bilateral perihilar fullness and prominent indistinct vascularity suggesting pulmonary vascular congestion , although less prominent . The costophrenic sulci are not well visualized laterally due to overlying soft tissue structures but there is no definite evidence for pleural effusion or pneumothorax .
    OUTPUT:
    
Findings suggesting pulmonary vascular congestion but improved .