Bleeding

My mom is suffering from her lungs problem we have been to many doctors and hospitals but they are all unable to diagnose why she vomit with huge amount of blood and clots .she feel cough before vomit and difficulty in breath Yesterday for her 4th vomit after few months she is been admitted in gulabdevi for few week when she last time vomit and they took her each and every test but they couldn't tell properly what exactly she is suffering Im living in England so I'm far my brothers are trying to find best place Please recommend me help asap Regards