OK, as a physician I can confirm that hand/finger injuries are actually very complicated and do require management by an orthopedic and/or plastic surgeon. (Which was always kind of weird since someone who comes to the ER with a broken toe, we just tape it, but if they came in with a broken finger, we had to call Ortho/Plastics. The hand is just way more complicated.) This treatment can be expensive and prolonged, so all of that is understandable. As to why OP is able to type all of these responses, I assume they are thumb-typing with a phone instead of a full keyboard (and yes, the USMLE is computer based but primarily uses a mouse to select answers for multiple choice questions, not much typing required there). However, OP you are running a very dangerous path staying outside of the US (really, living abroad) for such a long period of time while trying to maintain your LPR status in the US. Now that your marriage is (or will be) dissolved, your reason for immigrating to the US is also going away and you will want to demonstrate that you actually have strong ties to the US and are actually living here. What it seems like, from my reading, is that you are now back to living in your home country but want to maintain your LPR status to make it easier to obtain a residency in the US once you decide to move back. (Not a judgement, just an observation.) While you don't need a reentry permit until you have been outside the US for more than 1 year, maintaining LPR status really means living in the US >6 months of each year (i.e., more than half of the time). By returning to the US after 5 months and then leaving for another 5 months shortly afterward, you are running the risk of immigration deciding that you aren't actually living in the US and don't meet LPR requirements. My suggestion would be to get your finger fixed in your home country, start rehab there, come back in May and then STAY HERE for at least 5 months before leaving again. If the cost of treatment in the US is prohibitive, obtain health insurance through an Obama care plan (something you should do even without a broken finger--never a good idea to be walking around without health insurance) and get treated through a covered provider.