 [ Symptoms ] diffuse large b cell lymphoma – primary mediastima  abnormal non mass like circumferential mucosal hyperdensity present [ Disease ] hi have you been stressing over this during the last 4 weeks if so there is your problem stress it loves to stop periods if its not that could be just a skippedmissed period it happens to a women a couple of times through there lives scares the ***t out of them and you like now but if your really worried get to your doctor and get a test done there best way but now is the time to get on bc like the pill just remember safe sex is the best sex no worry is then do hope this helps you good luck