Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A new lucent seen below the right hemidiaphragm is highly concerning for free intraperitoneal gas . However , as the patient has a eventrated right hemidiaphragm on prior radiographs , a left lateral decubitus abdominal radiograph or CT may be helpful to confirm suspected free intraperitoneal air if warranted clinically . Exam is otherwise remarkable for bibasilar atelectasis , small right pleural effusion , and marked gastric distension .
    OUTPUT:
    
Findings concerning for free intraperitoneal air .