My younger brother who is 17 years old is suffering from shortness of breath while laying down on bed he has also chest congestion and cough 2 years ago he was diagnosed with t-cell lymphoma an oncologist did his treatment by chemotherapy and steroids he got fully recover from it nowadays his maintenance phase of lymphoma is undergoing with (VCR) Vincristine iv every month, can any pediatric oncologist help us for chest congestion and shortness of breath?