sir the pic u sent is nt that clear bt as per report its quite normal. the radiologist want to tell there is no fluid in lung pleura.also no signs of infection since lung fields are clear..n dere is no gas under diaphragm which means u dont hv perforation in abdomen. dese things must be ruled out since they r most common cz of tightedness of chest. X ray is just an additive tool..odr things has to be done to cnfirm diagnosis. do u hv frequent burps? loose motion constipation fever cough