Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . The chest is relatively underpenetrated due to the patient 's body habitus . Given this , no definite focal consolidation is seen . There is no pleural effusion or evidence of pneumothorax . The cardiac and mediastinal silhouettes are unremarkable given AP technique . The study is suboptimal to evaluate for acute rib fractures .
    OUTPUT:
    
Underpenetrated due to the patient 's body habitus . Given this , no definite acute cardiopulmonary process . Non-optimal evaluation of the ribs .