27 yr old female.. No sign n symptoms.. Any diagnosis plzz

A male aged 42 years complained of a swelling Rt Inguinal region. His PET Scan images are attached.Kindly comment on the images to arrive at a diagnosis...

46 year old lady with triple negative breast cancer underwent a MRM 1year back at Agra. Following surgery, she underwent adjuvant chemotherapy but did not take radiotherapy despite having 5/15 lymph nodes positive. She came to us with a local recurrence and we did a wide local excision for the recurrence. How would you plan her adjuvant treatment?

7 yr old male with axillary freckling with right eye swelling .vision is normal.diagnosis.mx.when to operate.?role of chemotherapy. ?

DIagnosis. 72 year old male with productive cough and breathlessnes. Wt loss

45 year old male presenting with these lesions over both legs n trunk region. history is since 2 days only. No fever. No Drugs taken. No history of DM. what are these lesions called? What might be the cause? How should we approach this patient?