Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Study is suboptimal due to underpenetration from overlying soft tissue . Given this , no large focal consolidation is seen . There is no pleural effusion or evidence of pneumothorax . The cardiac and mediastinal silhouettes are grossly stable .
    OUTPUT:
    
Suboptimal study due to underpenetration secondary to body habitus . Given this , no definite acute cardiopulmonary process .