You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Sunder, a young male was diagnosed as suffering from acute myeloid leukemia. He was started on induction chemotherapy with a doxorubicin-based regimen. Induction regimen was successful. Two months later, he presents to OPD with swelling of both the feet and breathlessness on climbing the stairs. He also complains he had to wake up many times because of breathlessness. Which of the following is most likely responsible for this patient's symptoms? and explain in detail?
None